54809-89-1Relevant articles and documents
Cyclization of 4-phenylthiosemicarbazide with phenacylbromide revisited. Formation of 1,3,4-thiadiazines and of isomeric 1,3-thiazoles
Pfeiffer, Wolf-Diethard,Junghans, Dieter,Saghyan, Ashot S.,Langer, Peter
, p. 1063 - 1067 (2014/08/05)
The cyclization of 4-phenylthiosemicarbazide with phenacylbromide, carried out in refluxing ethanol, afforded 1,3,4-thiadiazine 1 as the major product. In contrast to a previous report, 2-phenylimino-4-phenyl-2,3-dihydro-1,3-thiazol-3- amine (2) and not 2