Metal-Free and User-Friendly Regioselective Hydroxyfluorination of Olefins
作者:Daniel M. Sedgwick、Inés López、Raquel Román、Nanako Kobayashi、Otome E. Okoromoba、Bo Xu、Gerald B. Hammond、Pablo Barrio、Santos Fustero
DOI:10.1021/acs.orglett.8b00681
日期:2018.4.20
inexpensive reagents has been developed. This new approach displays a broader scope than previously reported methodologies and has been applied to the late-stage fluorination of a complex molecule, giving rise to a fluorosteroid derivative. The stereochemistry of the process has also been studied in some detail.
Enantioselective alpha-fluorination of aldehydes using chiral organic catalysts
申请人:MacMillan W.C. David
公开号:US20060189830A1
公开(公告)日:2006-08-24
Nonmetallic, chiral organic catalysts are used to catalyze enantioselective fluorination of enolizable aldehydes. Reaction systems composed of an enolizable aldehyde, an electrophilic fluorination reagent, and a nonmetallic chiral catalyst in the form of an imidazolidinone salt are also provided.
Direct Organocatalytic α-Fluorination of Aldehydes and Ketones
作者:Dieter Enders、Matthias Hüttl
DOI:10.1055/s-2005-864813
日期:——
The first organocatalytic direct α-fluorination of aldehydes and ketones employing Selectfluor I-chloromethyl-4-fluoro-1,4-diazoniabicyclo[2.2.2]octane bis(tetrafluoroborate)} as the fluorine source is reported. (S)-Proline and related derivatives act as organocatalysts to give the corresponding α-fluoroaldehydes and α-fluoroketones in moderate to good yields (47-78%). The asymmetric inductions are
The first versatile and practical building blocks equivalent to the synthon of monofluoromethylene dicarbanion
作者:Yoshio Takeuchi、Kazuhiro Nagata、Toru Koizumi
DOI:10.1021/jo00231a053
日期:1987.10
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.