Asymmetric reduction of α-thiocyanatoketones by Saccharomyces cerevisiae and Mortierella isabellina—a new route to optically active thiiranes
摘要:
A simple method for the preparation of optically active 1-aryloxy- and 1-arylsulphanyl-3-thiocyanatopropan-2-oles from racemic 1-chloro-3-aryloxy- and 1-chloro-3-arylsulphanyl-2-propanols via 1-aryloxy- and 1-arylsulphanyl-3-thiocyanatopropan-2-ones has been developed. The enantiomerically enriched beta-hydroxythiocyanates were obtained by a microbiological reduction of the thiocyanatoketones with Saccharomyces cerevisiae or Mortierella isabellina and subsequently converted into optically active thiiranes on treatment with a lithium hydroxide solution. (C) 2007 Elsevier Ltd. All rights reserved.
Asymmetric reduction of α-thiocyanatoketones by Saccharomyces cerevisiae and Mortierella isabellina—a new route to optically active thiiranes
摘要:
A simple method for the preparation of optically active 1-aryloxy- and 1-arylsulphanyl-3-thiocyanatopropan-2-oles from racemic 1-chloro-3-aryloxy- and 1-chloro-3-arylsulphanyl-2-propanols via 1-aryloxy- and 1-arylsulphanyl-3-thiocyanatopropan-2-ones has been developed. The enantiomerically enriched beta-hydroxythiocyanates were obtained by a microbiological reduction of the thiocyanatoketones with Saccharomyces cerevisiae or Mortierella isabellina and subsequently converted into optically active thiiranes on treatment with a lithium hydroxide solution. (C) 2007 Elsevier Ltd. All rights reserved.
Novel quaternary imidazolium salts substituted on one nitrogen of the imidazolium cation with a ##EQU1## group in which each A is an aryl radical and B is an aliphatic, aryl-substituted aliphatic or aromatic radical, said salts being useful as antimicrobial agents.
Herbicidally active phenoxy-alkanecarboxylic acid derivatives
申请人:SUNTORY LIMITED
公开号:EP0303415B1
公开(公告)日:1994-11-30
US3991202A
申请人:——
公开号:US3991202A
公开(公告)日:1976-11-09
US4017631A
申请人:——
公开号:US4017631A
公开(公告)日:1977-04-12
Asymmetric reduction of α-thiocyanatoketones by Saccharomyces cerevisiae and Mortierella isabellina—a new route to optically active thiiranes
作者:Edyta Łukowska、Jan Plenkiewicz
DOI:10.1016/j.tetasy.2007.04.023
日期:2007.6
A simple method for the preparation of optically active 1-aryloxy- and 1-arylsulphanyl-3-thiocyanatopropan-2-oles from racemic 1-chloro-3-aryloxy- and 1-chloro-3-arylsulphanyl-2-propanols via 1-aryloxy- and 1-arylsulphanyl-3-thiocyanatopropan-2-ones has been developed. The enantiomerically enriched beta-hydroxythiocyanates were obtained by a microbiological reduction of the thiocyanatoketones with Saccharomyces cerevisiae or Mortierella isabellina and subsequently converted into optically active thiiranes on treatment with a lithium hydroxide solution. (C) 2007 Elsevier Ltd. All rights reserved.