Unusual Reaction of<i>N</i>-Arylimines of Hexafluoroacetone with<i>m</i>-Chloroperoxybenzoic Acid. New Route to 2,2-Bis(trifluoromethyl)benzoxazolidines
作者:Viacheslav A. Petrov、Dipti D. Khasnis
DOI:10.1002/ijch.199900018
日期:——
Reaction of readily available N-arylimines of hexafluoroacetone with anhydrous m-chloroperoxybenzoicacid leads to the formation of substituted 2,2-bis(trifluoromethyl)oxazolidines in 30–70% yield as a result of an oxidative cyclization reaction. This process is general and can be used as a synthetic route to the corresponding polyfluorinated oxazolidines.
The Preparation and Reactions of<i>N</i>-Substituted Hexafluoroisopropylideneimines
作者:Nobuo Ishikawa、Tomoya Kitazume
DOI:10.1246/bcsj.46.3260
日期:1973.10
N-Aryl- and N-alkylhexafluoroisopropylideneimines (2) were prepared from the hexafluorothioacetone dimer (1) by treatment with either aryl- or alkylamines. These imines reacted with alcohols and thiols to give three addition products, 7, 8, and 9. Phenylhydrazone (3), semicarbazone (4), hydrazone (5), and azine (6) of hexafluoroacetone were also obtained directly from 1 and the corresponding carbonyl reagents.