作者:Jean Boivin、Eric Henriet、Catherine Tailhan、Samir Z. Zard
DOI:10.1016/s0040-4039(00)73556-8
日期:1993.4
Upon heating in chlorobenzene in the presence of a carboxylic acid, propargylic xanthates 1b-h give the corresponding 1,3-dithiol-2-ones 10 b-h and/or 11 b-h, the former being easily isomerised to the latter with hot trifluoroacetic acid.