Difluoromethylaziridines were synthesized by the reaction of dimethylsulfonium methylide with difluoroenamines which were easily prepared from trifluoromethylimines by magnesium-promoted defluorosilylation. (C) 2002 Elsevier Science Ltd. All rights reserved.
N-TMS-β,β-difluoroenamines: Electrochemical preparation and its transformation
摘要:
The first preparation of N-trimethylsilylated beta,beta-difluoroenamines (2) from the trifluoromethyl imines (1) by electrochemical reduction and a preliminary study on alkylation of 2 for the synthesis of difluoromethylene compounds are described. (C) 1998 Elsevier Science Ltd. All rights reserved.
First synthesis of 3,3-difluoroserine and cysteine derivatives via Mg(0)-promoted selective CF bond cleavage of trifluoromethylimines
作者:Masayuki Mae、Hideki Amii、Kenji Uneyama
DOI:10.1016/s0040-4039(00)01350-2
日期:2000.10
3,3-Difluoroserine and cysteine derivatives were synthesized via Mg(0)-promoted defluorination of trifluoromethylimines as a key step, followed by addition of alcohols and sulfenyl chloride, respectively. (C) 2000 Elsevier Science Ltd. All rights reserved.