A novel synthetic approach to the preparation of various α,α-difluoroesters
摘要:
Treatment of readily available alpha-fluoro-beta-hydroxy-alpha-phenylthioesters 4 with DAST afforded alpha,alpha-difluoro-beta-phenylthioesters 6 which are of interest to synthesize gem-difluorinated derivatives. Copyright (C) 1996 Elsevier Science Ltd
Oxidation of fluoroalkyl-substituted carbinols by the Dess-Martin reagent
作者:Russell J. Linderman、David M. Graves
DOI:10.1021/jo00264a029
日期:1989.2
LINDERMAN, RUSSELL J.;GRAVES, DAVID M., J. ORG. CHEM., 54,(1989) N, C. 661-668
作者:LINDERMAN, RUSSELL J.、GRAVES, DAVID M.
DOI:——
日期:——
A general route to N′-(2,2-difluoro-3-hydroxyalkanoyl) nornicotines
作者:Hiroshi Fukuda、Tomoya Kitazume
DOI:10.1016/0022-1139(95)03268-i
日期:1995.10
The preparation of a variety of N′-(2,2-difluoro-3-hydroxyalkanoyl) nornicotines via a Reformatsky-type reaction of ethyl bromodifluoroacetate with aldehydes is described. The difluoromethylene unit may be regarded as an isopolar and isosteric replacement for ether oxygen.
Treatment of readily available alpha-fluoro-beta-hydroxy-alpha-phenylthioesters 4 with DAST afforded alpha,alpha-difluoro-beta-phenylthioesters 6 which are of interest to synthesize gem-difluorinated derivatives. Copyright (C) 1996 Elsevier Science Ltd