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Dive into the research topics where Yoshichika Kuroki is active.

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Featured researches published by Yoshichika Kuroki.


Journal of Fluorine Chemistry | 1999

Preparation of optically active α,α-difluoro-β-hydroxyketones

Katsuhiko Iseki; Daisuke Asada; Yoshichika Kuroki

Abstract The stereoselective synthesis of α,α-difluoro-β-hydroxyketones of high enantiomeric purity is described starting from optically active α,α-difluoro-β-hydroxy esters. The esters were converted to the corresponding N -methoxy- N -methyl amides, which were treated with Grignard and organolithium reagents to provide the α,α-difluoro-β-hydroxyketones with up to 100% ee.


Journal of the American Chemical Society | 1996

Antimony-Templated Macrolactamization of Tetraamino Esters. Facile Synthesis of Macrocyclic Spermine Alkaloids, (±)-Buchnerine, (±)-Verbacine, (±)-Verbaskine, and (±)-Verbascenine

Kazuaki Ishihara; Yoshichika Kuroki; Naoyuki Hanaki; Suguru Ohara; Hisashi Yamamoto


Organic Letters | 2001

Enantioselective rhodium(I)-catalyzed hydrogenation of trifluoromethyl ketones.

Yoshichika Kuroki; Yuko Sakamaki; Katsuhiko Iseki


Bulletin of the Chemical Society of Japan | 1998

Metal-Templated Macrolactamization of Triamino and Tetramino Esters. Facile Synthesis of Macrocyclic Spermidine and Spermine Alkaloids, (S)-(+)-Dihydroperiphylline, (.+-.)-Buchnerine, (.+-.)-Verbacine, (.+-.)-Verbaskine, and (.+-.)-Verbascenine.

Yoshichika Kuroki; Kazuaki Ishihara; Naoyuki Hanaki; Suguru Ohara; Hisashi Yamamoto


Synlett | 1995

A Concise Synthesis of (+)-(S)-Dihydroperiphylline

Kazuaki Ishihara; Yoshichika Kuroki; Hisashi Yamamoto


Synlett | 1998

Enantio- and Diastereoselective Synthesis of anti-α-Bromo-α-fluoro-β-hydroxycarbonylates

Katsuhiko Iseki; Yoshichika Kuroki; Yoshiro Kobayashi


Archive | 2010

Method for producing optically active fluorine-containing alcohols, method for producing optically active fluorine-containing 2-hydroxyalkanamide and/or optically active fluorine-containing alcohol, and method for producing optically active fluorine-containing lactic acid or derivative thereof

Daisuke Asada; Katsuhiko Izeki; Yoshichika Kuroki; 克彦 伊関; 大介 浅田; 克親 黒木


Archive | 2010

光学活性な含フッ素アルコール類の製造方法及び光学活性な含フッ素2−ヒドロキシアルカンアミド又は/及び光学活性な含フッ素アルコールの製造方法、並びに光学活性な含フッ素乳酸又はその誘導体の製造方法

Daisuke Asada; Katsuhiko Izeki; Yoshichika Kuroki; 克彦 伊関; 大介 浅田; 克親 黒木


Journal of Fluorine Chemistry | 1999

Preparation of optically active a,a-difluoro--hydroxyketones

Katsuhiko Iseki; Daisuke Asada; Yoshichika Kuroki


Synlett | 1998

ENANTIO- AND DIASTEREOSELECTIVE SYNTHESIS OF ANTI-ALPHA -BROMO-ALPHA -FLUORO-BETA -HYDROXYCARBOXYLATES

Katsuhiko Iseki; Yoshichika Kuroki; Yoshiro Kobayashi

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