86839-09-0Relevant articles and documents
Syntheses with 2,4-Dimethylene-1,3-dithietanes. Mercaptopyridines; Thiazoles; Dithioles; Mesoionic and Non-mesoionic 1,2,3-Thiadiazoles
Capuano, Lilly,Boschat, Paul,Mueller, Ilse,Zander, Rita,Schramm, Volker,Haedicke, Erich
, p. 2058 - 2067 (2007/10/02)
The thioketene carboxylates 6, generated in situ from 2,4-dimethylene-1,3-dithietanes 1, undergo cyclocondensation with aminocrotonic acid derivatives 5 to give the 4-mercaptopyridines 4, whereas with the ester 7 of glycine and thioglycolic acid the alkyl