Takeda Kei

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Spontaneous Oxygenation of Siloxy-N-silylketenimines to α-Ketoamides

Creator	Sasaki Michiko \| Ando Masafumi \| Kawahata Masatoshi \| Yamaguchi Kentaro \| Takeda Kei
Journal	Organic Letters Volume 18 Issue 7 pp. 1598 - 1601
Date of Issued	published_at 2016-04-01

Stereochemical Course of Deprotonation-Acylation of N-Boc- and N-Carbamoyl-2-cyano-6-methylpiperidines

Creator	Kotomori Yuri \| Sasaki Michiko \| Kawahata Masatoshi \| Yamaguchi Kentaro \| Takeda Kei
Journal	The Journal of Organic Chemistry Volume 80 Issue 21 pp. 11013 - 11020
Date of Issued	published_at 2015-11-06

Development of cyclic hydrazine and hydrazide type organocatalyst-mechanistic aspects of cyslic hydrazine/hydrazide-catalyzed diels-alder reactions

Creator	Suzuki Ichiro \| Hirata Ai \| Takeda Kei
Journal	Heterocycles Volume 79 pp. 851 - 863
Date of Issued	published_at 2009

Biginelli reactions catalyzed by hydrazine type organocatalyst

Creator	Suzuki Ichiro \| Iwata Yukari \| Takeda Kei
Journal	Tetrahedron Letters Volume 49 Issue 20 pp. 3238 - 3241
Date of Issued	published_at 2008-05

α,β-エポキシシランと求核剤との反応を利用する新しい反応の開発

Creator	Takeda Kei
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Metal triflimide as a lewis acid catalyst for biginelli reactions in water

Creator	Suzuki Ichiro \| Suzumura Yuko \| Takeda Kei
Journal	Tetrahedron Letters Volume 47 Issue 45 pp. 7861 - 7864
Date of Issued	published_at 2006-11-02

Tandem Epoxysilane Rearrangement/Wittig-Type Reactions Using γ-Phosphinoyl- and γ-Phosphonio-α,β-epoxysilane

Creator	Sasaki Michiko \| Horai Mai \| Takeda Kei
Journal	Tetrahedron Letters Volume 47 Issue 52 pp. 9271 - 9273
Date of Issued	published_at 2006-12-25

「多元素環状化合物」シンポジウム資料

Creator	武田敬
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「インターエレメント結合の化学」シンポジウム資料

Creator	Takeda Kei
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創薬合成化学特論「有機反応論」

Creator	Takeda Kei
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現代有機合成化学における立体化学制御と選択性の発現-炭素-炭素結合形成反応を中心に-

Creator	Takeda Kei
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エノレートの化学

Creator	Takeda Kei
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ケイ素の特性を利用する環形成反応

Creator	Takeda Kei
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Cyclopentane Annulation

Creator	Takeda Kei
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炭素-炭素結合形成反応

Creator	Takeda Kei
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有機薬化学2年生前・後期試験問題(2005年版)

Creator	Takeda Kei
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有機薬化学2年生後期講義概要 2005年版

Creator	Takeda Kei
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有機薬化学2年生前期講義概要 2005年版

Creator	Takeda Kei
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Invention of New Synthetic Reactions Using Epoxysilanes

Creator	Takeda Kei
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Development of new ring-forming reactions based on the brook rearrangement

Creator	Takeda Kei
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エポキシシランを利用する新規合成反応の開発

Creator	武田敬
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アクロレインβ-アニオン等価体およびジエノールシリルエーテル前駆体としてのγ-ヘテロ原子置換-α,β-エポキシシラン

Creator	Sasaki Michiko \| Takeda Kei \| 寳耒舞
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エポキシドからカルバニオンへの不斉転写:エポラキシシランの連続的開環-転位反応を利用するアルキル化反応

Creator	Sasaki Michiko \| 川西英治 \| 中井良雄 \| 松本龍弥 \| Takeda Kei
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エポラキシシランを用いる新規合成反応の開発

Creator	Takeda Kei
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連続的結合形成反応を利用する八員環状形成反応の開発

Creator	Takeda Kei
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連続的炭素-炭素結合形成反応を用いる新規有機合成反応の開発

Creator	Takeda Kei
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エポキシシランを利用する合成反応の開発

Creator	Takeda Kei
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Brook転位を基盤とする[3+2]アニュレーションの反応機構に関する研究

Creator	Takeda Kei
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Date of Issued

α,β-エポキシシランと求核剤との反応を利用する新しい反応の開発

Creator	Takeda Kei
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Date of Issued

[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-(trimethysilsy)bicyclo[5.4.0]undec-4-EN-2-one.

Creator	Takeda Kei \| Nakajima Akemi \| Takeda Mika \| Yoshii Eiichi
Journal	Organic syntheses Volume 76 pp. 199 - 213
Date of Issued	published_at 1999

Comparing α-carbanion-stabilizing ability of substituents using the Brook rearrangement

Creator	Takeda Kei \| Ubayama Haruka \| Sano Ayako \| Yoshii Eiichi \| Koizumi Toru
Journal	Tetrahedron letters Volume 39 Issue 29 pp. 5243 - 5246
Date of Issued	published_at 1998-07-16

Asymmetric reductive cyclization using the intramolecular conjugate addition of enolates onto α,β-unsaturated sulfoxides

Creator	Yoshizaki Hiroki \| Tanaka Tadashi \| Yoshii Eiichi \| Koizumi Toru \| Takeda Kei
Journal	Tetrahedron letters Volume 39 Issue 1-2 pp. 47 - 50
Date of Issued	published_at 1998-01-01

Low-temperature oxyanion-accelerated vinylcyclopropane-cyclopentene rearrangement. Reaction of 2-(2-(trimethylsilyl)-ethenyl)cyclopropyl acetates with methyl lithium

Creator	Takeda Kei \| Sakurama Keiki \| Yoshii Eiichi
Journal	Tetrahedron letters Volume 38 Issue 18 pp. 3257 - 3260
Date of Issued	published_at 1997-05-05

Reaction of acylsilanes with potassium cyanide: Brook rearrangement under phase-transfer catalytic conditions

Creator	Takeda Kei \| Ohnishi Yuji
Journal	Tetrahedron letters Volume 41 Issue 21 pp. 4169 - 4172
Date of Issued	published_at 2000-05-29

Diels-Alder reaction of α-substituted acrylates and α-(methylene)lactones: Conformation of dienophiles and endo/exo selectivity

Creator	Takeda Kei \| Imaoka Ikuhiro \| Yoshii Eiichi
Journal	Tetrahedron Volume 50 Issue 27 pp. 10839 - 10848
Date of Issued	published_at 1994

Reaction of silyl thioketones with lithium diethylphosphite : First observation of thia-brook rearrangement

Creator	Takeda Kei \| Sumi Koichi \| Hagisawa Susumu
Journal	Journal of organometallic chemistry Volume 611 Issue 1-2 pp. 449 - 454
Date of Issued	published_at 2000-10-06