Highly enantioselective bioreduction of 2-fluorocinnamyl alcohols mediated by Saccharomyces cerevisiae
摘要:
Biocatalytic reduction of 2-fluorocinnamyl alcohols mediated by Saccharomyces cerevisiae was investigated in phosphate buffer solutions. Product analysis clearly showed that (S)-2-fluoro-3-arylpropanols were afforded in high yields with up to 92% ee Value. (C) 2010 Published by Elsevier Ltd.
In contrast to well‐established asymmetric hydrogenation reactions, enantioselective protonation is an orthogonal approach for creating highly valuable methine chiral centers under redox‐neutral conditions. Reported here is the highly enantio‐ and diastereoselective hydrofluorination of enals by an asymmetric β‐protonation/α‐fluorination cascade catalyzed by N‐heterocyclic carbenes (NHCs). The two
Enantioselective bioreduction of 2-fluoro-2-alken-1-ols mediated by Saccharomyces cerevisiae
作者:Fan Luo、Dengfu Lu、Yuefa Gong
DOI:10.1016/j.molcatb.2011.02.011
日期:2011.7
Biocatalytic reduction of 2-fluoro-2-alken-1-ols mediated by Saccharomyces cerevisiae underwent smoothly and yielded (S)-2-fluorinated alkanols with high enantioselectivities. The conversion rate was markedly depending on the configuration of alkene moiety of the substrate, the chain length of alkyl group at beta position of C=C bond, as well as the reaction conditions. (C) 2011 Elsevier B.V. All rights reserved.
Highly enantioselective bioreduction of 2-fluorocinnamyl alcohols mediated by Saccharomyces cerevisiae
作者:Fan Luo、Ping Wang、Yuefa Gong
DOI:10.1016/j.tetlet.2010.01.073
日期:2010.3
Biocatalytic reduction of 2-fluorocinnamyl alcohols mediated by Saccharomyces cerevisiae was investigated in phosphate buffer solutions. Product analysis clearly showed that (S)-2-fluoro-3-arylpropanols were afforded in high yields with up to 92% ee Value. (C) 2010 Published by Elsevier Ltd.
Asymmetric synthesis of 1,2-fluorohydrin: iridium catalyzed hydrogenation of fluorinated allylic alcohol
作者:Sudipta Ponra、Jianping Yang、Haibo Wu、Wangchuk Rabten、Pher G. Andersson
DOI:10.1039/d0sc04032k
日期:——
We have developed a simple protocol for the preparation of 1,2-fluorohydrin by asymmetric hydrogenation of fluorinated allylicalcoholsusing an efficient azabicyclo thiazole-phosphine iridium complex. The iridium-catalyzed asymmetricsynthesis of chiral 1,2-fluorohydrin molecules was carried out at ambient temperature with operational simplicity, and scalability. This method was compatible with various