REACTIONS OF CHLOROCARBONYL ISOCYANATE WITH 5-AMINOPYRAZOLES AND ACTIVE METHYLENE NITRILES: A NOVEL SYNTHESIS OF PYRAZOLO[1,5-a]-1,3,5-TRIAZINES AND BARBITURATES
作者:Galal H. Elgemeie、Samia R. El-Ezbawy、Hany A. Ali
DOI:10.1081/scc-100106205
日期:2001.1
Reactions of chlorocarbonyl isocyanate and chlorosulfonyl isocyanate with aminopyrazoles and active methylene nitriles are reported. They lead to novel pyrazolo[1,5-a]-1,3,5-triazines and barbituric acid derivatives. The structures of the products and the mechanisms of their formation are reported.
氯羰基异氰酸酯和氯磺酰基异氰酸酯与氨基吡唑和活性亚甲基腈的反应已有报道。它们导致新的吡唑并[1,5-a]-1,3,5-三嗪和巴比妥酸衍生物。报道了产物的结构及其形成机制。