Convenient synthesis of fused heterocycles from α??ketohydroximoyl chlorides and heterocyclic amines

C PÁrkÁnyi, AO Abdelhamid, J Cheng…

文献索引：Parkanyi, Cyril; Abdelhamid, Abdou O.; Cheng, John C. S. Journal of Heterocyclic Chemistry, 1984 , vol. 21, p. 1029 - 1032

全文：HTML全文

被引用次数: 34

摘要

Abstract Nitroso derivatives of imidazo [1, 2-a] pyridine (11, 13, 14), imidazo [1, 2-a] pyrimidine (15), imidazo [1, 2-a] pyrazine (16), imidazo [1, 2-b] pyrazole (17), and imidazo [1, 2-b]-1, 2, 4-triazole (19) were obtained in good yields from α-ketohydroximoyl chlorides 3 and 2-aminopyridines (4–6), 2-aminopyrimidine (7), 2-aminopyrazine (8), 5-amino-3- phenylpyrazole (9), and 3-amino-2H-1, 2, 4-triazole (10), respectively. Under different ...