5-Amino-7-(4-chloro-phenyl)-2-{N'-[1-(4-chloro-phenyl)-meth-(E)-ylidene]-hydrazino}-7H-pyrano[2,3-d]thiazole-6-carboxylic acid ethyl ester 在
一水合肼 作用下,
以
乙醇 为溶剂,
反应 5.0h,
生成 4-(4-Chloro-phenyl)-6-{N'-[1-(4-chloro-phenyl)-meth-(E)-ylidene]-hydrazino}-4H-8-oxa-5-thia-1,2,7-triaza-s-indacen-3-one