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Showing papers by "Chizuko Kabuto published in 1997"

Journal Article•DOI•
[Me(PhMe2Si)2SiLi] and [Ph(Me3Si)2SiLi]: Preparation, Characterization, and Evidence for an Intramolecular LiPh Interaction†

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Akira Sekiguchi1, Masato Nanjo2, Chizuko Kabuto2, Hideki Sakurai3•
University of Tsukuba1, Tohoku University2, University of Tokyo3
03 Feb 1997-Angewandte Chemie

38 citations

Journal Article•DOI•
1,1,2,2-Tetrakis(dimethylsilyl)-1,2-ethanediylithium-bis(diethyl ether):Observation of a SiHLi Agostic Interaction†

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Akira Sekiguchi1, Masaaki Ichinohe, Masae Takahashi, Chizuko Kabuto, Hideki Sakurai2 •
University of Tsukuba1, University of Tokyo2
04 Aug 1997-Angewandte Chemie

26 citations

Journal Article•DOI•
A Supercharged Anion with a Silyl-Substituted Eight-Center, Twelve-Electron π System: Synthesis and Characterization of the Tetralithium Salt of an Octasilyl-Substituted Trimethylenecyclopentene Tetraanion†

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Akira Sekiguchi1, Tsukasa Matsuo1, Chizuko Kabuto2•
University of Tsukuba1, Tohoku University2
01 Dec 1997-Angewandte Chemie

15 citations

Journal Article•DOI•
Preparation of optically active photopyridone by lipase-catalysedasymmetric resolution1

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Hiroshi Hongo, Kazuto Iwasa, Chizuko Kabuto, Hisao Matsuzaki, Hiroto Nakano 
01 Jan 1997-Journal of The Chemical Society-perkin Transactions 1
TL;DR: In this article, the absolute configurations of photopyridones are determined by chemical correlation, X-ray crystallographic and CD-spectral analyses, and they can be obtained conveniently by lipase-catalysed enantioselective acylation or hydrogen-hydrolysis of racemic photopsyridone.
Abstract: Optically active photopyridones possessing synthetic versatility are obtained conveniently by lipase-catalysed enantioselective acylation or hydrolysis of racemic photopyridones, and the absolute configurations are determined by chemical correlation, X-ray crystallographic and CD spectral analyses.

14 citations

Journal Article•DOI•
Generation of 1,3-Selenaza-1,3-butadienes by Thermal Cycloreversion of 2,4,6-Trisubstituted 6H-1,3,5-Oxaselenazines

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Kazuaki Shimada, Kei Aikawa, Takuji Fujita, Shigenobu Aoyagi, Yuji Takikawa, Chizuko Kabuto 
01 Aug 1997-Chemistry Letters
TL;DR: In this paper, 1,3-Selenaza-1,3 butadienes were generated by thermal cycloreversion of 6H-1.3,5-oxaselenazines, and were trapped with dienophiles or nucleophiles to give the corresponding cycloadducts or 1,4-adducts, respectively.
Abstract: 1,3-Selenaza-1,3-butadienes were generated by thermal cycloreversion of 6H-1,3,5-oxaselenazines, and were trapped with dienophiles or nucleophiles to give the corresponding [4+2] cycloadducts or 1,4-adducts, respectively.

10 citations

Journal Article•DOI•
Ein mehrfach geladenes Anion mit einem Silyl‐substituierten Acht‐Zentren‐zwölf‐Elektronen‐π‐System: Synthese und Charakterisierung des Tetralithiumsalzes eines Octasilyl‐substituierten Trimethylencyclopenten‐Tetraanions

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Akira Sekiguchi1, Tsukasa Matsuo1, Chizuko Kabuto2•
University of Tsukuba1, Tohoku University2
14 Nov 1997-Angewandte Chemie

3 citations

Journal Article•DOI•
1,1,2,2‐Tetrakis(dimethylsilyl)‐1,2‐ethan‐diyldilithium‐Bis(diethylether): eine Verbindung mit einer agostischen SiH‐Li‐Wechselwirkung

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Akira Sekiguchi1, Masaaki Ichinohe2, Masae Takahashi, Chizuko Kabuto2, Hideki Sakurai3 •
University of Tsukuba1, Tohoku University2, University of Tokyo3
18 Jul 1997-Angewandte Chemie

2 citations

Journal Article•DOI•
Chemistry of Organosilicon Compounds. Part 334. Intramolecular Oligomerization of Disilalkylene (-Me2Si(CH2)nSiMe2-) Bridged Cyclic Triacetylenes.

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Keisuke Ebata, Tsukasa Matsuo, T. Inoue, Y. Otsuka, Chizuko Kabuto, Akira Sekiguchi, Hideki Sakurai 
29 Apr 1997-ChemInform
Journal Article•DOI•
Preparation of Optically Active Photopyridone by Lipase-Catalyzed Asymmetric Resolution.

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H. Hongo, Kazuto Iwasa, Chizuko Kabuto, Hisao Matsuzaki, H. Nakano 
21 Oct 1997-ChemInform