157559-65-4Relevant articles and documents
Unexpected ring enlargement of 2-hydrazono-2,3-dihydro-1,3-thiazoles to 1,3,4-thiadiazines
Pfeiffer, Wolf-Diethard,Ahlers, Klaus-Dieter,Saghyan, Ashot S.,Villinger, Alexander,Langer, Peter
, p. 76 - 87 (2014/02/14)
The cyclization of thiosemicarbazide with α-bromoacetophenone can result in the formation of isomeric 1,3,4-thiadiazines and two different thiazoles. We studied the use of 4-methyl- and 4-ethylthiosemicarbazide as dinucleophilic building blocks. In this c