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Takeda Kei  武田 敬

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TAKEDA Kei  武田 敬

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Researcher Number 30135032
Other IDs
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Affiliation (based on the past Project Information) *help 2016: 広島大学, 大学院医歯薬学総合研究科, 教授
2015 – 2016: 広島大学, 医歯薬保健学研究院(薬), 教授
2013: 広島大学, 大学院医歯薬学総合研究科, 教授
2012: 広島大学, 医歯薬保健学研究院(薬), 教授
2012: 広島大学, 医歯薬保健学研究院, 教授 … More
2012: 広島大学, 大学院・医歯薬保健学研究科, 教授
2012: 広島大学, 大学院・医歯薬保健学研究院, 教授
2011: 広島大学, 医歯(薬)学総合研究科, 教授
2007 – 2011: Hiroshima University, 大学院・医歯薬学総合研究科, 教授
2010: 広島大学, 大学院・医歯薬総合研究科, 教授
2005 – 2006: 広島大学, 大学院医歯薬学総合研究科, 教授
2002 – 2005: 広島大学, 大学院・医歯薬学総合研究科, 教授
2000: Hiroshima University, Faculty of Medicine, Professor, 医学部, 教授
1996 – 1999: 富山医科薬科大学, 薬学部, 助教授
1995: Toyama Med. & Pharm. Univ., Fac. of Pharm. Sci., Lecturer, 薬学部, 講師
1994: 富山医科薬科大学, 医学部, 講師
1989 – 1990: 富山医科薬科大学, 薬学部, 講師
1987 – 1988: 富山医科薬科大学, 薬学部, 助手 Less
Review Section/Research Field
Principal Investigator
Chemical pharmacy / Chemical pharmacy / Science and Engineering
Except Principal Investigator
Chemical pharmacy / Chemical pharmacy / Drug development chemistry
Keywords
Principal Investigator
不斉合成 / 有機合成 / 転位反応 / Brook転位 / 不斉転写 / 環形成反応 / [3+2]アニュレーション / キラルカルバニオン / アシルシラン / タンデム反応 … More / エポキシシラン / Clavulones / アレン / 合成化学 / 光学活性アレン / 不斉反応 / 含ケイ素有機化合物 / シアノヒドリン / 連続反応 / 不斉カルバニオン / イオウ-ケイ素結合 / イオウ-リン結合 / 立体化学 / 五員炭素環 / 七員炭素環 / ビニルシクロプロパン転位 / 相間移動触媒 / シアニドイオン / annulation reactions / tandem reactions / rearrangement reactions / chirality transfer / asymmetric synthesis / organic synthesis / キラルエポキシド / エナンチオ選択的反応 / 転移反応 / asymmetric alkylation / Brook rearrangement / eight-membered carbocycles / acylsilanes / epoxysilanes / 分子内アルドール反応 / ジビニルシクロブタン転位 / α,β-エポキシシラン / 連続的炭素-炭素結合形成反応 / アルキル化反応 / α、β-エポキシシラン / 不斉アルキル化 / 八員炭素環 / 1,3-sigmatropy shift / five-coordinated silicon atom / reaction mechanism / Brook erarrangement / vinylcyclopane rearrangement / five-membered ring forming reaction / [3+2] annulation / Fischerカルベン錯体 / ヘテロ原子 / 1,3-シグマトロピー転位 / 五配位型ケイ素 / 反応機構 / 五員環形成反応 / 0rostanoids / Catalytic asymmetric synthesis / Asymmetric synthesis / [3+2] Annulation / Cyclopentane annulation / 不斉シクロペンタンアニュレーション / [3+2]付加環化反応 / 抗腫瘍性プロスタノイド / プロスタノイド / 触媒的不斉合成 / シクロペンタンアニュレーション / 有機化学 / アミノ酸 / ビニルアレン / 環化付加反応 / 不斉還元 / [2, 3]-Wittig転位 / [2,3]-Wittig転位 / 八員環エーテル / 天然物合成 / エポキシド / カルバニオン / ホモエノレート / Cope転位 / 八員複素環 / thia-Brook転位 / シチルチオケトン / インターエレメント結合 / シリルチオケトン / カルコゲン-ヘテロ原子結合 / 16族インターエレメント結合 / 光学活性セレノニウムイリド / 光学活性セレニイミド / 光学活性セレノキシド / 不斉[2,3]シグマトロピー転位 / シグマトロピー転位 … More
Except Principal Investigator
全合成 / テトロン酸 / アルキン / ビスマス(III)触媒 / α,α-ジアジドケトン / ヨードアジデーション / benzofuran / cyclization / copper / regioselective / indole / heterocycles / tandem reaction / carbamate / alkyne / arylation / hypervalent / インドール / タンデム反応 / 4-キノロン / Meyer-Schuster転位 / プロパルギルアルコール / 位置選択的 / Spiroannulation / Tetronic Acid / Kijanolide / Tetronolide / Total Synthesis / ルイス酸 / 分子内環状付加 / スピロテトロン酸 / 環化付加反応 / スピロ増環 / ディールス-アルダー反応 / スピロ増環反応 / キジャノライド / テトロノライド / Allylation / Aldol Reaction / Synthesis / Ionophore Antibiotic / Tetronasin / Tetronomycin / アシル化 / ポリエ-テル抗生物質 / イオノフォア / アリル化 / アルド-ル反応 / 合成 / イオノフォア抗生物質 / テトロナシン / テトロノマイシン / 多置換アルケン / cohalogenation / キノロン / アルキン-カルボニルメタセシス / カルバメート / イソシアネート / ホフマン型転位 / 超原子価ヨウ素試薬 / アジリン / 三重結合の切断 / ハロアジド化 / フラン / 炭素ー炭素三重結合 / ニトリル / N-ヨードスクシンイミド / トリメチルシリルアジド / 切断反応 / 三重結合 / 三重結合切断 / 多置換フラン / エニルアセテート / ジヒドロキノロン / 酸アミド / 肥満 / 抗肥満薬 / レプチン / 小胞体ストレス / レプチン抵抗性 / アシルシラン / ビニルシクロプロパン転位 / 七員環形成反応 / 五員環形成反応 / アニュレーション / セレノニウムイリド / [2,3]-シグマトロピー反応 Less
  • Research Projects

    (22 results)
  • Research Products

    (137 results)
  • Co-Researchers

    (11 People)
  •  Development of Enantioselective Synthesis of Allenes Using Chirality Transfer from a Chiral CarbanionPrincipal Investigator

    • Principal Investigator
      Takeda Kei
    • Project Period (FY)
      2015 – 2016
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Chemical pharmacy
    • Research Institution
      Hiroshima University
  •  Investigation of tandem reaction using advantage of the substitution effect of the unsaturated bond

    • Principal Investigator
      Yanada Reiko
    • Project Period (FY)
      2014 – 2016
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Chemical pharmacy
    • Research Institution
      Hiroshima International University
  •  Investigation of tandem reaction using advantage of the characteristics of the unsaturated bond

    • Principal Investigator
      YANADA Reiko
    • Project Period (FY)
      2011 – 2013
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Chemical pharmacy
    • Research Institution
      Hiroshima International University
  •  Enantioselective trapping of an α-chiral carbanion next to conjugating electron-withdrawing groupsPrincipal Investigator

    • Principal Investigator
      TAKEDA Kei
    • Project Period (FY)
      2011 – 2012
    • Research Category
      Grant-in-Aid for Challenging Exploratory Research
    • Research Field
      Chemical pharmacy
    • Research Institution
      Hiroshima University
  •  Enantioselective Synthesis of Allenes by Reduction and a BrookRearrangementPrincipal Investigator

    • Principal Investigator
      TAKEDA Kei
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Chemical pharmacy
    • Research Institution
      Hiroshima University
  •  Development of novel drug for obesity targeting endoplasmic reticulum stress

    • Principal Investigator
      OZAWA Koichiro
    • Project Period (FY)
      2010 – 2012
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Drug development chemistry
    • Research Institution
      Hiroshima University
  •  Stereocontrol of Chiral Carbanions in Tandem ReactionsPrincipal Investigator

    • Principal Investigator
      TAKEDA Kei
    • Project Period (FY)
      2007 – 2009
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Chemical pharmacy
    • Research Institution
      Hiroshima University
  •  エポキシドからの遠隔不斉転写を基盤とするカスケード型中員環形成反応の開発Principal Investigator

    • Principal Investigator
      武田 敬
    • Project Period (FY)
      2006 – 2007
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      Hiroshima University
  •  エポキシドからの遠隔不斉転写を基盤とするカスケード型中員環形成反応の開発Principal Investigator

    • Principal Investigator
      武田 敬
    • Project Period (FY)
      2005
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      Hiroshima University
  •  Generation of Chiral Carbanions by Chirality TransferPrincipal Investigator

    • Principal Investigator
      TAKEDA Kei
    • Project Period (FY)
      2003 – 2005
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Chemical pharmacy
    • Research Institution
      HIROSHIMA UNIVERSITY
  •  多元素含有多環縮合中員環形成反応の開発Principal Investigator

    • Principal Investigator
      武田 敬
    • Project Period (FY)
      2002 – 2003
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Review Section
      Science and Engineering
    • Research Institution
      Hiroshima University
  •  キラルホモエノレート等価体の創出Principal Investigator

    • Principal Investigator
      武田 敬
    • Project Period (FY)
      2002 – 2004
    • Research Category
      Grant-in-Aid for Exploratory Research
    • Research Field
      Chemical pharmacy
    • Research Institution
      Hiroshima University
  •  シリルチオケトンと求核剤との反応におけるインターエレメント結合の生成Principal Investigator

    • Principal Investigator
      武田 敬
    • Project Period (FY)
      1999
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas (A)
    • Research Institution
      Toyama Medical and Pharmaceutical University
  •  シリルチオケトンと求核剤との反応におけるインターエレメント結合の生成Principal Investigator

    • Principal Investigator
      武田 敬
    • Project Period (FY)
      1998
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas (A)
    • Research Institution
      Toyama Medical and Pharmaceutical University
  •  Development of new synthetic reactions based on the reactions of α, β-epoxysilanes and nucleophilesPrincipal Investigator

    • Principal Investigator
      TAKEDA Kei
    • Project Period (FY)
      1998 – 2000
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Chemical pharmacy
    • Research Institution
      Hiroshima University
      Toyama Medical and Pharmaceutical University
  •  高周期典型元素のシグマトロピー転位を機軸とする炭素結合形成反応Principal Investigator

    • Principal Investigator
      武田 敬
    • Project Period (FY)
      1997
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      Toyama Medical and Pharmaceutical University
  •  16族高周期典型元素と他元素間の結合の形成,切断の立体化学的研究Principal Investigator

    • Principal Investigator
      武田 敬
    • Project Period (FY)
      1997
    • Research Category
      Grant-in-Aid for Scientific Research on Priority Areas
    • Research Institution
      Toyama Medical and Pharmaceutical University
  •  シグマトロピー反応を機軸とする新しい炭素骨格構築法の研究

    • Principal Investigator
      小泉 徹
    • Project Period (FY)
      1997
    • Research Category
      Grant-in-Aid for Scientific Research (B)
    • Research Field
      Chemical pharmacy
    • Research Institution
      Toyama Medical and Pharmaceutical University
  •  Studies on the Mechanism of the [3+2] Annulation Based on the Brook RearrangementPrincipal Investigator

    • Principal Investigator
      TAKEDA Kei
    • Project Period (FY)
      1996 – 1997
    • Research Category
      Grant-in-Aid for Scientific Research (C)
    • Research Field
      Chemical pharmacy
    • Research Institution
      TOYAMA MEDICAL AND PHARMACEUTICAL UNIVERSITY
  •  Development of Asymmetric Cyclopentane Annulation Utilizing the Characteristics of HeteroatomsPrincipal Investigator

    • Principal Investigator
      TAKEDA Kei
    • Project Period (FY)
      1994 – 1995
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Chemical pharmacy
    • Research Institution
      TOYAMA MEDICAL AND PHARMACEUTICAL UNIVERSITY
  •  Synthesis of Tetronic Acid Containing Ionophore Antibiotics

    • Principal Investigator
      YOSHII Eiichi
    • Project Period (FY)
      1989 – 1990
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Chemical pharmacy
    • Research Institution
      Toyama Medical and Pharmaceutical University
  •  Studies on the Total Synthesis of Tetronolide

    • Principal Investigator
      YOSHII Eiichi
    • Project Period (FY)
      1987 – 1988
    • Research Category
      Grant-in-Aid for General Scientific Research (C)
    • Research Field
      Chemical pharmacy
    • Research Institution
      Toyama Medical and Pharmaceutical University

All 2017 2016 2015 2014 2013 2012 2011 2010 2009 2008 2007 2006 2003

All Journal Article Presentation Book

  • [Book] Molecular Rearrangements in Organic Synthesis (Brook Rearrangement)2015

    • Author(s)
      Michiko Sasaki, Kei Takeda
    • Total Pages
      776
    • Publisher
      John Wiley & Sons
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Journal Article] Spontaneous Oxygenation of Siloxy-N-Silylketenimines to α-Ketoamides2016

    • Author(s)
      Michiko Sasaki, Masafumi Ando, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Organic Letters

      Volume: 18 Issue: 7 Pages: 1598-1601

    • DOI

      10.1021/acs.orglett.6b00455

    • NAID

      120005774709

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-15K14929, KAKENHI-PROJECT-25460015
  • [Journal Article] Carbanion-Induced [3 + 2] Annulation of Donor-Acceptor Cyclopropanes2016

    • Author(s)
      Michiko Sasaki, Yasuhiro Kondo, Takuya Nishio, Kei Takeda
    • Journal Title

      Organic Letters

      Volume: 18 Issue: 15 Pages: 3858-3861

    • DOI

      10.1021/acs.orglett.6b01865

    • Peer Reviewed / Acknowledgement Compliant
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Journal Article] Stereochemical Course of Deprotonation-Acylation of N-Boc- and N-Carbamoyl-2-cyano-6-methylpiperidines2015

    • Author(s)
      Yuri Kotomori, Michiko Sasaki, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      The Journal of Organic Chemistry

      Volume: 80 Issue: 21 Pages: 11013-11020

    • DOI

      10.1021/acs.joc.5b02178

    • NAID

      120005774708

    • Peer Reviewed / Acknowledgement Compliant / Open Access
    • Data Source
      KAKENHI-PROJECT-15K14929, KAKENHI-PROJECT-25460015
  • [Journal Article] N-Carboxylated-2-substituted Indoles and 2,3-Disubstituted-2,3-dihydro-4-quinolones from 2-Alkynylbenzamides2014

    • Author(s)
      N. Okamoto, K. Takeda, R. Yanada
    • Journal Title

      Organic Syntheses

      Volume: 91 Pages: 27-38

    • DOI

      10.15227/orgsyn.091.0027

    • Peer Reviewed / Open Access
    • Data Source
      KAKENHI-PROJECT-25870983, KAKENHI-PROJECT-26460025
  • [Journal Article] N-Carboxylated-2-substituted Indoles and 2,3-Disubstituted-2,3-dihydro-4-quinolones from 2-2014

    • Author(s)
      Noriko Okamoto, Kei Takeda, Reiko Yanada
    • Journal Title

      Org. Synth

      Volume: 91 Pages: 27-38

    • Data Source
      KAKENHI-PROJECT-23590032
  • [Journal Article] 立体化学的に不安定なキラルカルバニオンの合成化学への展開2013

    • Author(s)
      佐々木道子,武田 敬
    • Journal Title

      有機合成化学協会誌

      Volume: 71 Pages: 136-148

    • NAID

      10031148205

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Chirality Transfer in Brook Rearrangement-Mediated SE2' Solvolytic Protonation and Its Use in Estimation of the Propensity for Racemization of the α-Lithiocarbanions of the Substituents2013

    • Author(s)
      Michiko Sasaki, Misato Fujiwara, Yuri Kotomori, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Tetrahedron

      Volume: 69 Pages: 5823-5828

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Journal Article] Chirality Transfer in Brook Rearrangement-Mediated SE2' Solvolytic Protonation and Its Use in Estimation of the Propensity for Racemization of the α-Lithiocarbanions of the Substituents2013

    • Author(s)
      Michiko Sasaki, Misato Fujiwara, Yuri Kotomori, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Tetrahedron

      Volume: 69 Pages: 5823-5828

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] DISCUSSION ADDENDUM FOR : [3+4] Annulation Using a [β-(Trimethylsilyl) acryloyl]silane and the Lithium Enolate of an α,β-Unsaturated Methyl Ketone : (1R,6S,7S)-4-(tert-Butyldimethylsiloxy)-6-(trimethylsilyl)bicyclo[5.4.0]undec-4-en-2-one2012

    • Author(s)
      Kei Takeda
    • Journal Title

      Organic Syntheses

      Volume: 89 Pages: 267-273

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Enantioselective Trapping of an a-Chiral Carbanion of Acyclic Nitrile by a Carbon Electrophile2012

    • Author(s)
      Michiko Sasaki
    • Journal Title

      Chemical Communications

      Volume: 48 Issue: 23 Pages: 2897-2899

    • DOI

      10.1039/c2cc00082b

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001, KAKENHI-PROJECT-22790011, KAKENHI-PROJECT-23659007
  • [Journal Article] Enantioselective Trapping of an α-Chiral Carbanion of Acyclic Nitrile by a Carbon Electrophile2012

    • Author(s)
      Michiko Sasaki, Tomo Takegawa, Hidaka Ikemoto, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Chem. Commun

      Volume: 48 Pages: 2897-2899

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Synthetic Potential of Configurationally Unstable Chiral Carbanions2012

    • Author(s)
      Michiko Sasaki, Kei Takeda
    • Journal Title

      SYNLETT (ACCOUNT, invited)

      Volume: 23 Pages: 2153-2164

    • NAID

      10031148205

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] DISCUSSION ADDENDUM FOR: [3 + 4] Annulation Using a [β-(Trimethylsilyl)acryloyl]silane and the Lithium Enolate of an α,β-Unsaturated Methyl Ketone: (1R,6S,7S)-4-(tert-Butyldimethylsiloxy)-6-(trimethylsilyl)bicyclo[5.4.0]undec-4-en-2-one2012

    • Author(s)
      Kei Takeda
    • Journal Title

      Organic Syntheses

      Volume: 89 Pages: 267-273

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] DISCUSSION ADDENDUM FOR: [3 + 4] Annulation Using a [β-(Trimethylsilyl)acryloyl]silane and the Lithium Enolate of an α,β-Unsaturated Methyl Ketone2012

    • Author(s)
      Kei Takeda, Michiko Sasaki
    • Journal Title

      (1R,6S,7S)-4-(tert-Butyldimethylsiloxy)-6-(trimethylsilyl)bicyclo[5.4.0]undec-4-en-2-one, Org. Synth

      Volume: 89 Pages: 267-273

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Enantioselective Trapping of an α-Chiral Carbanion of Acyclic Nitrile by a Carbon Electrophile2012

    • Author(s)
      Michiko Sasaki, Tomo Takegawa, Hidaka Ikemoto, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Chem. Commun

      Volume: 48 Pages: 2897-2899

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Journal Article] DISCUSSION ADDENDUM FOR: [3 + 4] Annulation Using a [β-(Trimethylsilyl)acryloyl]silane and the Lithium Enolate of an α,β-Unsaturated Methyl Ketone: (1R,6S,7S)-4-(tert-Butyldimethylsiloxy)-6-(trimethylsilyl)bicyclo[5.4.0]undec-4-en-2-one2012

    • Author(s)
      Kei Takeda
    • Journal Title

      Organic Syntheses

      Volume: 89 Pages: 267-273

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Journal Article] One-Pot Approach to 2,3-Disubstituted-2,3-dihydro-4-quinolones from 2-Alkynylbenzamides2011

    • Author(s)
      Noriko Okamoto
    • Journal Title

      The Journal of Organic Chemistry

      Volume: 76 Issue: 21 Pages: 9139-9143

    • DOI

      10.1021/jo201636a

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001, KAKENHI-PROJECT-22590010, KAKENHI-PROJECT-23590032, KAKENHI-PROJECT-23590143
  • [Journal Article] Regio- and Stereoselective Multisubstituted Enol Ester Synthesis2011

    • Author(s)
      N. Okamoto, Y. Miwa, H. Minami, K. Takeda, R. Yanada
    • Journal Title

      J. Org. Chem

      Volume: 76 Pages: 9133-9138

    • Data Source
      KAKENHI-PROJECT-23590032
  • [Journal Article] Steric Course of the Electrophilc Substitution of a Lithiocarbanion Generated from (S,E)-1-Phenylbut-2-en-1-yl Diisopropylcarbamate and Solvent Effects2011

    • Author(s)
      Hidaka Ikemoto, Michiko Sasaki, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      J. Org. Chem

      Pages: 6553-6557

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Steric Course of the Electrophilc Substitution of a Lithiocarbanion Generated from (S,E)-1-Phenylbut-2-en-1-yl Diisopropylcarbamate and Solvent Effects2011

    • Author(s)
      Hidaka Ikemoto
    • Journal Title

      European Journal of Organic Chemistry

      Volume: 2011 Issue: 32 Pages: 6553-6557

    • DOI

      10.1002/ejoc.201100970

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001, KAKENHI-PROJECT-22790011, KAKENHI-PROJECT-23659007
  • [Journal Article] Enantioselective Synthesis of Siloxyallenes from Alkynoyl Silanes by Reduction and a Brook Rearrangement and Their Subsequent Trapping in a [4+2] Cycloaddition, Angew2011

    • Author(s)
      Michiko Sasaki, Yasuhiro Kondo, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Chem. Int. Ed

      Volume: 50 Pages: 6375-6378

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Steric Course of the Electrophilc Substitution of a Lithiocarbanion Generated from (S,E)-1-Phenylbut-2-en-1-yl Diisopropylcarbamate and Solvent Effects2011

    • Author(s)
      Hidaka Ikemoto, Michiko Sasaki, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Eur. J. Org. Chem

      Pages: 6553-6557

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Journal Article] Regio- and Stereoselective Multisubstituted EnolEster Synthesis2011

    • Author(s)
      Noriko Okamoto
    • Journal Title

      The Journal of Organic Chemistry

      Volume: 76 Issue: 21 Pages: 9133-9138

    • DOI

      10.1021/jo201609r

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001, KAKENHI-PROJECT-23590032
  • [Journal Article] One-Pot Approach to 2,3-Disubstituted- 2,3-dihydro-4-quinolones from 2-Alkynyl- benzamides2011

    • Author(s)
      N. Okamoto, K. Takeda, M. Ishikura, R. Yanada
    • Journal Title

      J. Org. Chem

      Volume: 76 Pages: 9139-9143

    • Data Source
      KAKENHI-PROJECT-23590032
  • [Journal Article] One-Pot Approach to 2,3-Disubstituted-2,3-dihydro-4-quinolones from 2-Alkynylbenzamides2011

    • Author(s)
      Noriko Okamoto, Kei Takeda, Minoru Ishikura, Reiko Yanada
    • Journal Title

      J. Org. Chem

      Volume: 76 Pages: 9139-9143

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Regio- and Stereoselective Multisubstituted Enol Ester Synthesis2011

    • Author(s)
      Noriko Okamoto, Yoshihisa Miwa, Hideki Minami, Kei Takeda, Reiko Yanada
    • Journal Title

      J. Org. Chem

      Volume: 76 Pages: 9133-9138

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Solvent Effects on the Steric Course of [2,3]-Wittig Rearrangement of (S,E)-(3-(allyloxy)prop-1-ene-1,3-diyl)dibenzene and Its Derivatives Eur2010

    • Author(s)
      Hidaka Ikemoto, Michiko Sasaki, Kei Takeda
    • Journal Title

      J. Org. Chem

      Pages: 6643-6650

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Platinum-Catalyzed Synthesis of Indoles and Isoquinolines from 2-Alkynylarylamides2010

    • Author(s)
      Noriko Okamoto, Yoshihisa Miwa, Hideki Minami, Kei Takeda, Reiko Yanada
    • Journal Title

      Synfacts

      Pages: 283-283

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Formal Total Syntheses of (+)-Prelaureatin and (+)-Laurallene by Diastereoselective Brook Rearrangement-Mediated [3 + 4] Annulation2010

    • Author(s)
      Michiko Sasaki, Kazuhisa Oyamada, Kei Takeda
    • Journal Title

      J. Org. Chem

      Volume: 75 Pages: 3941-3943

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] Platinum-Catalyzed One-Pot Tandem Synthesis of Indoles and Isoquinolines via Sequential Rearrangement of Amides and Aminocyclization2010

    • Author(s)
      Noriko Okamoto, Kei Takeda, Reiko Yanada
    • Journal Title

      J. Org. Chem

      Volume: 75 Pages: 7615-7625

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Journal Article] [2, 3]-Wittig Rearrangement of Enantiomeri-cally Enriched 3-Substituted 1-Propenyloxy-1-phenyl-2-propen-1-yl Carbanions: Effect of Heteroatoms and Conjugating Groups on Planarization of an a-Oxy-Benzylcarbanion Through a Double Bond2009

    • Author(s)
      Michiko Sasaki, Hidaka Ikemoto, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Chem. Eur. J 15

      Pages: 4663-4666

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19390006
  • [Journal Article] Stereoselective Brook Rearrangement-Medi-ated SE2' Protonation of a-Hydroxy Allyl Silanes2009

    • Author(s)
      Michiko Sasaki, Yuri Shirakawa, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Chem. Eur. J 15

      Pages: 3363-3366

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19390006
  • [Journal Article] Chirality Transfer from Epoxide to Carbanion: Base-Induced Alkylation of O-Carbamoyl Cyanohydrins of b-Silyl-a, b-epoxyaldehyde2008

    • Author(s)
      Michiko Sasaki, Eiji Kawanishi, Yuri Shirakawa, Masatoshi Kawahata, Hyuma Masu, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Eur. J. Org. Chem

      Pages: 3061-3064

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19390006
  • [Journal Article] Stereocontrolled Construction of Seven-Membered Carbocycles Using a Combination of Brook Rearrangement-Mediated [3 + 4] Annulation and Epoxysilane Rearrangement2007

    • Author(s)
      Yoshio Nakai, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Journal of Organic Chemistry 72・4

      Pages: 1379-1387

    • Data Source
      KAKENHI-PROJECT-18032049
  • [Journal Article] 連続的炭素-炭素結合形成反応を機軸とする新規合成反応の開発研究2007

    • Author(s)
      武田 敬
    • Journal Title

      薬学雑誌(受賞記念招待執筆) 127

      Pages: 1399-1418

    • NAID

      110006380724

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-19390006
  • [Journal Article] 連続的炭素-炭素結合形成反応を機軸とする新規合成反応の開発研究2007

    • Author(s)
      武田 敬
    • Journal Title

      薬学雑誌(受賞記念招待執筆) 127

      Pages: 1399-1418

    • NAID

      110006380724

    • Peer Reviewed
    • Data Source
      KAKENHI-PROJECT-18032049
  • [Journal Article] Epoxysilane Rearrangement : Mechanistic Studies and Synthetic Applications2006

    • Author(s)
      Michiko Sasaki, Kei Takeda
    • Journal Title

      Journal of Synthetic Organic Chemistry Japan 64・11

      Pages: 1148-1158

    • NAID

      10020608930

    • Data Source
      KAKENHI-PROJECT-18032049
  • [Journal Article] Epoxysilane Rearrangement Induced by a Carbanion Generated by Conjugate Addition of Enolates of Chloroacetate and α-Chloroacetamides : Formation of Functionalized Cyclopropane Derivatives2006

    • Author(s)
      Noriko Okamoto, Michiko Sasaki, Masatoshi Kawahata, Kentaro Yamaguchi, Kei Takeda
    • Journal Title

      Organic Letters 8・9

      Pages: 1889-1891

    • Data Source
      KAKENHI-PROJECT-18032049
  • [Journal Article] Tandem Epoxysilane Rearrangement/Wittig-Type Reactions Usingγ-Phosphinoyl-and γ-Phosphonio-α,β-epoxysilane2006

    • Author(s)
      Michiko Sasaki, Mai Horai, Kei Takeda
    • Journal Title

      Tetrahedron Letters 47・52

      Pages: 9271-9273

    • Data Source
      KAKENHI-PROJECT-18032049
  • [Journal Article] A New Strategy for Construction of Eight-Membered Carbocycles by Brook Rearrangement Mediated [6+2] Annulation.2003

    • Author(s)
      Kei Takeda
    • Journal Title

      Org.Lett. 5

      Pages: 3705-3707

    • Description
      「研究成果報告書概要(欧文)」より
    • Data Source
      KAKENHI-PROJECT-15390006
  • [Journal Article] A New Strategy for Construction of Eight-Membered Carbocycles by Brook Rearrangement Mediated [6+2] Annulation.2003

    • Author(s)
      Kei Takeda
    • Journal Title

      Organic Letters 5(20)

      Pages: 3705-3707

    • Description
      「研究成果報告書概要(和文)」より
    • Data Source
      KAKENHI-PROJECT-15390006
  • [Presentation] キラル 2- シアノピペリジンの脱プロトン化によって 発生させたα - ニトリルカルバニオンの求電子置換反 応 : 求電子剤の効果2017

    • Author(s)
      佐々木 道子 , 同免 佳澄 , 武田 敬
    • Organizer
      日本薬学第137年会
    • Place of Presentation
      仙台国際センター(宮城県,仙台市)
    • Year and Date
      2017-03-24
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] カルバニオンをトリガーとするシクロプロパンの開 環とその[3+2]アニュレーション(2)2017

    • Author(s)
      佐々木 道子 , 西尾 卓哉, 武田 敬
    • Organizer
      日本薬学第137年会
    • Place of Presentation
      仙台国際センター(宮城県,仙台市)
    • Year and Date
      2017-03-24
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] アシルシランに対するシアニドイオンのエナンチオ選択的付加を利用するキラル O-シリルシアノヒドリンの合成2016

    • Author(s)
      佐々木道子, 國貞雄介, 武田 敬
    • Organizer
      日本薬学会136年会
    • Place of Presentation
      横浜
    • Year and Date
      2016-03-26
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] キラルα-アミノニトリルの 脱プロトン化/アシル化の立体過程2016

    • Author(s)
      佐々木 道子, 同免 佳澄, 琴森 友理, 武田 敬
    • Organizer
      第27回基礎有機化学討論会
    • Place of Presentation
      広島国際会議場(広島県,広島市)
    • Year and Date
      2016-09-01
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] N-Boc- および N-カルバモイル-2-メタロ-2-シアノピペリジンの求電子置換反応の立体過程2016

    • Author(s)
      佐々木道子, 同免佳澄, 琴森友理, 武田 敬
    • Organizer
      日本薬学会136年会
    • Place of Presentation
      横浜
    • Year and Date
      2016-03-26
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] カルバニオンをトリガーとするシクロプロパンの開環とその[3 + 2]アニュレーション2016

    • Author(s)
      佐々木道子, 西尾卓哉, 近藤泰博, 武田 敬
    • Organizer
      日本薬学会136年会
    • Place of Presentation
      横浜
    • Year and Date
      2016-03-26
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] N-Boc- および N-カルバモイル-2-メタロ-2-シアノピペリジンの求電子置換反応の立体過程2016

    • Author(s)
      佐々木 道子, 同免 佳澄, 武田 敬
    • Organizer
      第46回複素環化学討論会
    • Place of Presentation
      金沢歌劇座(石川県,金沢市)
    • Year and Date
      2016-09-26
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] Reactions of Acylsilanes with Potassium Cyanide under Chiral Phase-Transfer Catalytic Conditions2016

    • Author(s)
      Michiko Sasaki, Yusuke Kunisada, Masafumi Ando, Kei Takeda
    • Organizer
      Molecular Chirality Asia 2016
    • Place of Presentation
      Knowledge Capital Congres Convention Center(Osaka)
    • Year and Date
      2016-04-20
    • Int'l Joint Research
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] カルバニオンをドナーとするD-Aシクロプロパンの [3 + 2] アニュレーション2016

    • Author(s)
      佐々木道子,西尾卓哉,近藤泰博,武田 敬
    • Organizer
      第42回反応と合成の進歩シンポジウム
    • Place of Presentation
      清水文化会館マリナート(静岡県,静岡市)
    • Year and Date
      2016-11-07
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] カルバニオンによって誘起される三員環の開環を伴うタンデム型環化反応の開発 (2)2016

    • Author(s)
      西尾卓哉,近藤泰博,佐々木道子,武田 敬
    • Organizer
      第55回日本薬学会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      就実大学(岡山県,岡山市)
    • Year and Date
      2016-11-05
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] 2-シアノ-ピロリジンおよびピペリジンの脱プロトン化によって発生させたα-ニトリルカルバニオンの求電子置換反応2016

    • Author(s)
      同免 佳澄, 佐々木 道子, 武田 敬
    • Organizer
      第55回日本薬学会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      就実大学(岡山県,岡山市)
    • Year and Date
      2016-11-05
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] キラルアンモニウムシアニドをシアノ源とする不斉シアノ化反応の開発2015

    • Author(s)
      國貞雄介,佐々木道子,武田 敬
    • Organizer
      第54回日本薬学会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      高知
    • Year and Date
      2015-10-31
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] Formation of α-Keto Amides from alpha-Siloxy-N-Silylketenimines via Air Oxidation2015

    • Author(s)
      Michiko Sasaki, Masafumi Ando, Kei Takeda
    • Organizer
      44th National Organic Chemistry Symposium
    • Place of Presentation
      College Park, MD, USA
    • Year and Date
      2015-06-28
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] α-シロキシ-N-シリルケテンイミンの空気酸化を経由するα-ケトアミドの合成2015

    • Author(s)
      佐々木道子,安藤雅史,武田 敬
    • Organizer
      第41回反応と合成の進歩シンポジウム
    • Place of Presentation
      大阪
    • Year and Date
      2015-10-26
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] Enantioselective Deprotonation-Substitution of α-Chelating Group-Substituted Nitriles2015

    • Author(s)
      Michiko Sasaki, Yuri Kotomori, Kei Takeda
    • Organizer
      44th National Organic Chemistry Symposium
    • Place of Presentation
      College Park, MD, USA
    • Year and Date
      2015-06-28
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] カルバニオンによって誘起される三員環の開環を伴うタンデム型環化反応の開発2015

    • Author(s)
      佐々木道子,柳田容瑠,近藤泰博,武田 敬
    • Organizer
      第54回日本薬学会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      高知
    • Year and Date
      2015-10-31
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] Fitst Total Synthesis of Prunustatin A2015

    • Author(s)
      Shuhei Yamkoshi, Masako Okamoto, Eiji Kawanishi, Michiko Sasaki, Kei Takeda
    • Organizer
      The 13th International Kyoto Conference on New Aspects of Organic Chemistry
    • Place of Presentation
      Kyoto
    • Year and Date
      2015-11-09
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] キラルα-オキシ-およびα-アミノニトリルカルバニオンの求電子置換反応の立体過程2015

    • Author(s)
      琴森友理,佐々木道子,武田 敬
    • Organizer
      第13回次世代を担う有機化学シンポジウム
    • Place of Presentation
      草津,滋賀
    • Year and Date
      2015-05-22
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] α-ヘテロ原子置換ニトリルカルバニオンの合成化学的展開2015

    • Author(s)
      佐々木道子,琴森友理,安藤雅史,武田 敬
    • Organizer
      第107回有機合成シンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2015-06-09
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] Stereochemical Course of Deprotonation/Acylation of α-Amino Nitriles2015

    • Author(s)
      Michiko Sasaki, Yuri Kotomori, Kei Takeda
    • Organizer
      The 13th International Kyoto Conference on New Aspects of Organic Chemistry
    • Place of Presentation
      Kyoto
    • Year and Date
      2015-11-09
    • Data Source
      KAKENHI-PROJECT-15K14929
  • [Presentation] Enantioselective trapping of an α-chiral carbanion of acyclic nitrile by a carbon electrophile2013

    • Author(s)
      Kei Takeda
    • Organizer
      19th International Conference on Organic Synthesis
    • Place of Presentation
      Melbourne, Australia
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 光学活性α-ヒドロキシアリルシランの異性化反応における不斉転写の機構2013

    • Author(s)
      武田 敬
    • Organizer
      日本薬学会第133年会
    • Place of Presentation
      横浜
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] エポキシシラン転位を利用するシリルケテンイミンの発生とその反応2013

    • Author(s)
      武田 敬
    • Organizer
      日本薬学会第133年会
    • Place of Presentation
      横浜
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] キラルリチウムアミドを利用するイミンの不斉還元反応2013

    • Author(s)
      武田 敬
    • Organizer
      日本薬学会第133年会
    • Place of Presentation
      横浜
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] ウレイド基のキレーションを利用するキラルα-ニトリルカルバニオンの発生と求電子剤との反応2013

    • Author(s)
      武田 敬
    • Organizer
      日本薬学会第133年会
    • Place of Presentation
      横浜
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] 光学活性α-ヒドロキシアリルシランの異性化反応における不斉転写の機構2013

    • Author(s)
      武田 敬
    • Organizer
      日本薬学会第133年会
    • Place of Presentation
      横浜
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] ウレイド基のキレーションを利用するキラルα-ニトリルカルバニオンの発生と求電子剤との反応2013

    • Author(s)
      武田 敬
    • Organizer
      日本薬学会第133年会
    • Place of Presentation
      横浜
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] エポキシシラン転位を利用するシリルケテンイミンの発生とその反応2013

    • Author(s)
      武田 敬
    • Organizer
      日本薬学会第133年会
    • Place of Presentation
      横浜
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] キラルリチウムアミドを利用するイミンの不斉還元反応2013

    • Author(s)
      武田 敬
    • Organizer
      日本薬学会第133年会
    • Place of Presentation
      横浜
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Enantioselective trapping of an α-chiral carbanion of acyclic nitrile by a carbon electrophile2013

    • Author(s)
      Kei Takeda
    • Organizer
      19th International Conference on Organic Synthesis
    • Place of Presentation
      Melbourne, Australia
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] Evaluation of the configurational stability of carbanions next to conjugating electron-withdrawing groups2013

    • Author(s)
      Kei Takeda
    • Organizer
      19th International Conference on Organic Synthesis
    • Place of Presentation
      Melbourne, Australia
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] キラルα-ニトリルカルバニオンの求電子剤による捕捉 (2)2012

    • Author(s)
      竹川 友 ,佐々木道子,武田 敬
    • Organizer
      日本薬学会第132年会
    • Place of Presentation
      札幌市
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] キラルα-ニトリルカルバニオンの求電子剤による捕捉(2)2012

    • Author(s)
      武田敬
    • Organizer
      日本薬学会第132年会
    • Place of Presentation
      札幌
    • Year and Date
      2012-03-30
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] カルバモイル基により立体化学的に安定化されたキラルα-ニトリルカルバニオンの捕捉2012

    • Author(s)
      武田 敬
    • Organizer
      第102回有機合成シンポジウム
    • Place of Presentation
      東京
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] 共役性電子求引基およびヘテロ原子置換基に隣接するキラルカルバニオンのラセミ化傾向の比較2012

    • Author(s)
      武田 敬
    • Organizer
      第38回反応と合成の進歩シンポジウム
    • Place of Presentation
      東京
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] Enantioselective Diels-Alder reactions using aminooxazolidinone type organocatalysts2012

    • Author(s)
      Kei Takeda
    • Organizer
      19th International Conference on Organic Synthesis
    • Place of Presentation
      Melbourne, Australia
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] β位に電子求引基を有するシクロプロピルアシルシランと求核剤との反応2012

    • Author(s)
      武田敬
    • Organizer
      日本薬学会第132年会
    • Place of Presentation
      札幌
    • Year and Date
      2012-03-30
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Enantioselective Diels-Alder reactions using aminooxazolidinone type organocatalysts2012

    • Author(s)
      Kei Takeda
    • Organizer
      19th International Conference on Organic Synthesis
    • Place of Presentation
      Melbourne, Australia
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] Mechanistic Study of Stereoselective SE2' Protonation of a-Hydroxy Allyl Silanes2012

    • Author(s)
      Kei Takeda
    • Organizer
      12th International Kyoto Conference on New Aspects of Organic Chemistry (IKCOC-12)
    • Place of Presentation
      Kyoto
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] β位に電子求引基を有するシクロプロピルアシルシランと求核剤との反応2012

    • Author(s)
      藤原美智 ,佐々木道子,武田 敬
    • Organizer
      日本薬学会第132年会
    • Place of Presentation
      札幌市
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] Mechanistic Study of Stereoselective SE2' Protonation of a-Hydroxy Allyl Silanes2012

    • Author(s)
      Kei Takeda
    • Organizer
      12th International Kyoto Conference on New Aspects of Organic Chemistry (IKCOC-12)
    • Place of Presentation
      Kyoto
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] Enantioselective Trapping of Chiral a-Nitrile Carbanions2012

    • Author(s)
      Kei Takeda
    • Organizer
      12th International Kyoto Conference on New Aspects of Organic Chemistry (IKCOC-12)
    • Place of Presentation
      Kyoto
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] Evaluation of the configurational stability of carbanions next to conjugating electron-withdrawing groups2012

    • Author(s)
      Kei Takeda
    • Organizer
      19th International Conference on Organic Synthesis
    • Place of Presentation
      Melbourne, Australia
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] カルバモイル基により立体化学的に安定化されたキラルα-ニトリルカルバニオンの捕捉2012

    • Author(s)
      武田 敬
    • Organizer
      第102回有機合成シンポジウム
    • Place of Presentation
      東京
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Enantioselective Trapping of Chiral a-Nitrile Carbanions2012

    • Author(s)
      Kei Takeda
    • Organizer
      12th International Kyoto Conference on New Aspects of Organic Chemistry (IKCOC-12)
    • Place of Presentation
      Kyoto
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 共役性電子求引基およびヘテロ原子置換基に隣接するキラルカルバニオンのラセミ化傾向の比較2012

    • Author(s)
      武田 敬
    • Organizer
      第38回反応と合成の進歩シンポジウム
    • Place of Presentation
      東京
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] キラルリチウムアミドによる還元を鍵反応とするアレン類のエナンチオ選択的合成2012

    • Author(s)
      武田敬
    • Organizer
      日本薬学会第132年会
    • Place of Presentation
      札幌
    • Year and Date
      2012-03-30
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] キラルリチウムアミドによる還元を鍵反応とするアレン類のエナンチオ選択的合成2012

    • Author(s)
      近藤泰博,佐々木道子,武田 敬
    • Organizer
      日本薬学会第132年会
    • Place of Presentation
      札幌市
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] Enantioselective Synthesis of Siloxyallenes from Alkynoylsilanes Via Tandem Enantioselective Reduction/Brook Rearrangement and Their Subsequent Trapping by [4+2] Cycloaddition2011

    • Author(s)
      Kei Takeda
    • Organizer
      42nd National Organic Chemistry Symposium
    • Place of Presentation
      Princeton, NJ, USA
    • Year and Date
      2011-06-05
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 光学活性シロキシアレン類の合成と[4 + 2]型環化付加による捕捉2011

    • Author(s)
      佐々木道子, 近藤泰博, 武田 敬
    • Organizer
      第37回反応と合成の進歩シンポジウム
    • Place of Presentation
      徳島市
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] キラルカルバニオンの立体特異的な求電子反応を利用するL-アミノ酸誘導体の不斉アルキル化2011

    • Author(s)
      武田敬
    • Organizer
      日本薬学会第131年会
    • Place of Presentation
      静岡市
    • Year and Date
      2011-03-31
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] アリルベンジルリチオカルバニオンに対する求電子置換反応の立体化学-求電子剤と溶媒の効果-2011

    • Author(s)
      武田敬
    • Organizer
      第100回有機合成シンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2011-11-10
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Enantioselective Generation of Mesomerically-Stabilized Lithiocarbanions and Evaluation of Their Configurational Stability2011

    • Author(s)
      Michiko Sasaki, Tomo Takegawa, Misato Fujiwara, Hidaka Ikemoto, Kei Takeda
    • Organizer
      42nd National Organic Chemistry Symposium
    • Place of Presentation
      Princeton, NJ, USA
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] 共役性電子求引性基に隣接するキラルカルバニオンの立体化学的安定性の評価(2)2011

    • Author(s)
      武田敬
    • Organizer
      第50回日本薬学会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      高松
    • Year and Date
      2011-11-12
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Enantioselective Synthesis of Siloxyallenes from Alkynoylsilanes Via Tandem Enantioselective Reduction/Brook Rearrangement and Their Subsequent Trapping by [4 + 2] Cycloaddition2011

    • Author(s)
      Yasuhiro Kondo, Michiko Sasaki, Kei Takeda
    • Organizer
      42nd National Organic Chemistry Symposium
    • Place of Presentation
      Princeton, NJ, USA
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] Chiral Organolithiums Next to a Conjugative Electron-Withdrawing Group: Their Configurational Stability and Enantioselective Trapping by an Electrophile2011

    • Author(s)
      Hidaka Ikemoto, Michiko Sasaki, Misato Fujiwara, Tomo Takegawa, Kei Takeda
    • Organizer
      The 242nd National Meeting of the American Chemical Society, Sci-Mix
    • Place of Presentation
      Denver, Colorado, USA.
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] 位置および立体選択的四置換アルケンの合成(2)2011

    • Author(s)
      前田龍人,多賀野正嗣,岡本典子,武田敬、柳田玲子
    • Organizer
      第50回日本薬学会・日本薬剤師会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      高松
    • Data Source
      KAKENHI-PROJECT-23590032
  • [Presentation] 脱プロトン化によるキラルα-ニトリルカルバニオンの発生と捕捉2011

    • Author(s)
      武田敬
    • Organizer
      第100回有機合成シンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2011-11-11
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 脱プロトン化によるキラルα- ニトリルカルバニオンの発生と捕捉2011

    • Author(s)
      竹川 友,佐々木道子,池本陽峰, 武田 敬
    • Organizer
      第100回有機合成シンポジウム
    • Place of Presentation
      東京
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] 位置および立体選択的四置換アルケンの合成 (2)2011

    • Author(s)
      前田龍人、多賀野正嗣、岡本典子、武田敬、柳田玲子
    • Organizer
      第50回日本薬学会・日本薬剤師会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      高松
    • Data Source
      KAKENHI-PROJECT-23590032
  • [Presentation] 共役性電子求引性基に隣接するキラルカルバニオンの立体化学的安定性の評価2011

    • Author(s)
      武田敬
    • Organizer
      日本薬学会第131年会
    • Place of Presentation
      静岡市
    • Year and Date
      2011-03-31
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 共役性電子求引性基に隣接するキラルカルバニオンの立体化学的安定性の評価 (2)2011

    • Author(s)
      藤原美智,佐々木道子,池本陽峰,武田 敬
    • Organizer
      第50回日本薬学会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      高松市
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] Enantioselective Generation of Mesomerically-Stabilized Lithiocarbanions and Evaluation of Their Configurational Stability2011

    • Author(s)
      Kei Takeda
    • Organizer
      42nd National Organic Chemistry Symposium
    • Place of Presentation
      Princeton, NJ, USA
    • Year and Date
      2011-06-05
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Chiral Organolithiums Next to a Conjugative Electron-Withdrawing Group: Their Configurational Stability and Enantioselective Trapping by an Electrophile2011

    • Author(s)
      Kei Takeda
    • Organizer
      The 242nd National Meeting of the American Chemical Society
    • Place of Presentation
      Denver, Colorado, USA
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Enantioselective Synthesis of Allenes via Tandem Enantioselective Reduction/Brook Rearrangement2011

    • Author(s)
      Kei Takeda
    • Organizer
      10th International Symposium on Organic Reactions
    • Place of Presentation
      横浜
    • Year and Date
      2011-11-23
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 2,3-ジヒドロキノロン類の立体選択的ワンポット合成 (2)2011

    • Author(s)
      岡本典子、武田敬、柳田玲子
    • Organizer
      第50回日本薬学会・日本薬剤師会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      高松
    • Data Source
      KAKENHI-PROJECT-23590032
  • [Presentation] Chiral Organolithiums Next to a Conjugative Electron-Withdrawing Group : Their Configurational Stability and Enantioselective Trapping by an Electrophile2011

    • Author(s)
      Kei Takeda
    • Organizer
      The 242nd National Meeting of the American Chemical Society (Sci Mix)
    • Place of Presentation
      Denver, CO, USA
    • Year and Date
      2011-08-29
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Enantioselective Synthesis of Allenes via Tandem EnantioselectiveReduction/Brook Rearrangement2011

    • Author(s)
      Kei Takeda
    • Organizer
      10th International Symposium on Organic Reactions
    • Place of Presentation
      Yokohama
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Enantioselective Synthesis of Allenes via Tandem Enantioselective Reduction/Brook Rearrangement2011

    • Author(s)
      Yasuhiro Kondo, Michiko Sasaki, Kei Takeda
    • Organizer
      10th International Symposium on Organic Reactions
    • Place of Presentation
      Yokohama
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] アリルベンジルリチオカルバニオンに対する求電子置換反応の立体化学ー求電子剤と溶媒の効果ー2011

    • Author(s)
      池本陽峰,佐々木道子, 武田 敬
    • Organizer
      第100回有機合成シンポジウム
    • Place of Presentation
      東京
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] Enantioselective Generation of Mesomerically-Stabilized Lithiocarbanions and Evaluation of Their Configurational Stability2011

    • Author(s)
      Kei Takeda
    • Organizer
      42nd National Organic Chemistry Symposium, Princeton University
    • Place of Presentation
      Princeton, NJ, USA
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Chiral Organolithiums Next to a Conjugative Electron-Withdrawing Group: Their Configurational Stability and Enantioselective Trapping by an Electrophile2011

    • Author(s)
      Hidaka Ikemoto, Michiko Sasaki, Misato Fujiwara, Tomo Takegawa, Kei Takeda
    • Organizer
      The 242nd National Meeting of the American Chemical Society
    • Place of Presentation
      Denver, Colorado, USA.
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] 共役性電子求引基に隣接するキラルカルバニオンの立体化学的安定性の評価法の開発とその求電子剤による捕捉2011

    • Author(s)
      武田敬
    • Organizer
      第9回次世代を担う有機化学シンポジウム
    • Place of Presentation
      東京
    • Year and Date
      2011-05-28
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] ジアミノイミダゾリジノン型触媒を用いた不斉Diels-Alder反応の開発および不斉発現機構の解明2011

    • Author(s)
      武田敬
    • Organizer
      第41回複素環化学討論会
    • Place of Presentation
      熊本
    • Year and Date
      2011-10-20
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 共役性電子求引基に隣接するキラルカルバニオンの立体化学的安定性の評価法の開発とその求電子剤による捕捉2011

    • Author(s)
      池本陽峰,佐々木道子,藤原美智,竹川 友,武田 敬
    • Organizer
      第9回次世代を担う有機化学シンポジウム
    • Place of Presentation
      東京
    • Data Source
      KAKENHI-PROJECT-23659007
  • [Presentation] 光学活性シロキシアレン類の合成と[4+2]型環化付加による捕捉2011

    • Author(s)
      武田敬
    • Organizer
      第37回反応と合成の進歩シンポジウム
    • Place of Presentation
      徳島
    • Year and Date
      2011-11-08
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 位置および立体選択的四置換アルケンの合成と応用2011

    • Author(s)
      岡本典子,武田敬,柳田玲子
    • Organizer
      第37回反応と合成の進歩シンポジウム
    • Place of Presentation
      徳島
    • Data Source
      KAKENHI-PROJECT-23590032
  • [Presentation] Chiral Organolithiums Next to a Conjugative Electron-Withdrawing Group : Their Configurational Stability and Enantioselective Trapping by an Electrophile2011

    • Author(s)
      Kei Takeda
    • Organizer
      The 242nd National Meeting of the American Chemical Society
    • Place of Presentation
      Denver, Colorado, USA
    • Year and Date
      2011-08-31
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 2,3-ジヒドロキノロン類の立体選択的ワンポット合成(2)2011

    • Author(s)
      岡本典子,武田敬,柳田玲子
    • Organizer
      第50回日本薬学会・日本薬剤師会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      高松
    • Data Source
      KAKENHI-PROJECT-23590032
  • [Presentation] Enantioselective Synthesis of Siloxyallenes from Alkynoylsilanes Via Tandem Enantioselective Reduction/Brook Rearrangement and Their Subsequent Trapping by [4 + 2] Cycloaddition2011

    • Author(s)
      Kei Takeda
    • Organizer
      42nd National Organic Chemistry Symposium
    • Place of Presentation
      Princeton, NJ, USA
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 光学活性シロキシアレンの合成と[4+2]型環化反応への展開2011

    • Author(s)
      武田敬
    • Organizer
      日本薬学会第131年会
    • Place of Presentation
      静岡市
    • Year and Date
      2011-03-31
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Enantioselective Synthesis of Siloxyallenes from Alkynylacylsilanes via Tandem Enantioselective Reduction/Brook rearrangement2010

    • Author(s)
      武田敬
    • Organizer
      22nd International Symposium on Chirality
    • Place of Presentation
      札幌,北海道
    • Year and Date
      2010-07-14
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Brook転位を利用する光学活性シロキシアレンの合成2010

    • Author(s)
      武田敬
    • Organizer
      第36回反応と合成の進歩シンポジウム
    • Place of Presentation
      名古屋,愛知
    • Year and Date
      2010-11-02
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] 共役性電子求引基に隣接するキラルカルバニオンの立体化学的安定性の評価法の開発2010

    • Author(s)
      武田敬
    • Organizer
      第49回日本薬学会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      米子,鳥取
    • Year and Date
      2010-11-06
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] キラルα-ニトリルカルバニオンの発生と求電子剤による捕捉2010

    • Author(s)
      武田敬
    • Organizer
      第49回日本薬学会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      米子,鳥取
    • Year and Date
      2010-11-06
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Solvent Effects on the Configurational Stability of Chiral Carbanions2010

    • Author(s)
      Kei Takeda
    • Organizer
      22nd International Symposium on Chirality (Chirality 2010; ISCD-22)
    • Place of Presentation
      Sapporo
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] シロキシアレンのエナンチオ選択的合成とその合成反応への展開2010

    • Author(s)
      武田敬
    • Organizer
      第49回日本薬学会・日本病院薬剤師会中国四国支部学術大会
    • Place of Presentation
      米子,鳥取
    • Year and Date
      2010-11-06
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Generation and Evaluation of Configurational Stability of Chiral Carbanions Next to Conjugative Electron-Withdrawing Groups2010

    • Author(s)
      Kei Takeda
    • Organizer
      Seminar in Organic Chemistry, Massachusetts Institute of Technology
    • Place of Presentation
      MIT, Cambridge MA, USA(招待講演)
    • Year and Date
      2010-09-24
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Solvent Effects on the Configurational Stability of Chiral Carbanions2010

    • Author(s)
      武田敬
    • Organizer
      22nd International Symposium on Chirality
    • Place of Presentation
      札幌,北海道
    • Year and Date
      2010-07-14
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] キラルカルバニオンの立体化学的安定性と求電子剤との反応における立体化学2010

    • Author(s)
      武田敬
    • Organizer
      第36回反応と合成の進歩シンポジウム
    • Place of Presentation
      名古屋,愛知
    • Year and Date
      2010-11-01
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Enantioselective Synthesis of Siloxyallenes from Alkynylacylsilanes via Tandem Enantioselective Reduction/Brook rearrangement2010

    • Author(s)
      Kei Takeda
    • Organizer
      22nd International Symposium on Chirality (Chirality 2010; ISCD-22)
    • Place of Presentation
      Sapporo
    • Data Source
      KAKENHI-PROJECT-22390001
  • [Presentation] Trapping of Chiral Carbanions by [2, 3]- Wittig Rearrangement: Effect of Hetero- atoms and Conjugating Groups2009

    • Author(s)
      Hidaka Ikemoto, Michiko Sasaki, Kei Takeda
    • Organizer
      41st National Organic Chemistry Symposium
    • Place of Presentation
      Boulder, CO, USA
    • Year and Date
      2009-06-08
    • Data Source
      KAKENHI-PROJECT-19390006
  • [Presentation] Development of New Synthetic Methodology Featuring Tandem-Bond Forming Process and Their Application to the Total□ Synthesis of Natural Products2009

    • Author(s)
      Kei Takeda
    • Organizer
      Organic Chemistry Seminar, Department of Chemistry, University of Toronto
    • Place of Presentation
      Toronto, ON, Canada
    • Year and Date
      2009-06-15
    • Data Source
      KAKENHI-PROJECT-19390006
  • [Presentation] Development of New Synthetic Methodology Featuring Tandem-Bond Forming Process and Their Application to the Total□ Synthesis of Natural Products2009

    • Author(s)
      Kei Takeda
    • Organizer
      Organic Seminar, Department of Chemistry University of Rochester
    • Place of Presentation
      Rochester, NY, USA
    • Year and Date
      2009-06-16
    • Data Source
      KAKENHI-PROJECT-19390006
  • [Presentation] Trapping of Chiral Carbanions by [2, 3]-Wittig Rearrangement2008

    • Author(s)
      Michiko Sasaki, Hidaka Ikemoto, Mariko Higashi, Kei Takeda
    • Organizer
      The 236th National Meeting of the American Chemical Society (Sci-Mix)
    • Place of Presentation
      Philadelphia, PA, USA
    • Year and Date
      2008-08-18
    • Data Source
      KAKENHI-PROJECT-19390006
  • 1.  SASAKI Michiko (30379888)
    # of Collaborated Projects: 5 results
    # of Collaborated Products: 55 results
  • 2.  斎藤 慎一 (80283076)
    # of Collaborated Projects: 3 results
    # of Collaborated Products: 0 results
  • 3.  YANADA Reiko (80239821)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 8 results
  • 4.  OKAMOTO Noriko (40535580)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 9 results
  • 5.  YOSHII Eiichi (50019105)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 6.  HORI Kozo (50173612)
    # of Collaborated Projects: 2 results
    # of Collaborated Products: 0 results
  • 7.  IKEMOTO Hidaka (60549004)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 4 results
  • 8.  OZAWA Koichiro (10211822)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 9.  HOSOI Toru (40379889)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 10.  NOMURA Keiichi (30019111)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results
  • 11.  小泉 徹 (40012611)
    # of Collaborated Projects: 1 results
    # of Collaborated Products: 0 results

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