[5,5] Sigmatropic shift of N-phenyl-N′-(2-thiazolyl)hydrazines and N,N′-bis(2-thiazolyl)hydrazines into 2-amino-5-(p-aminophenyl)thiazoles and 5,5′-bis(2-aminothiazole) derivatives
摘要:
[5,5] Sigmatropic shift of N-phenyl-N'-(2-thiazolyl)hydrazines and N,N'-bis(2-thiazolyl)hydrazines in acid-catalyzed benzidine-type rearrangement into 2-amino-5-(p-aminophenyl)thiazoles and 5,5'-bis(2-aminothiazole) derivatives is described, respectively. (C) 2000 Elsevier Science Ltd. All rights reserved.