Reductive rearrangements of the retrobenzilic acid type induced by Lewis acids—IX
作者:E. Koltai、J. Nyitrai、K. Lempert
DOI:10.1016/s0040-4020(01)93401-5
日期:1973.1
5,5-Diphenyl-2,4-thiazolidinedithione (3a), when refluxed with anhydrous AlCl3 in toluene, is desulfurated and rearranged to 4,5-diphenyl-4-thiazoline-2-thione (4). Neither 2,2-diphenyl-1,4,2H- benzothiazine-3(4H)-thione (5b) nor its S-Me derivative (6 are changed on similar treatment.