1-(3-Benzoyl-4,5-dimethyl-<2>thienyl)-5-chlormethyl-1H-<1,2,4>triazol-3-carbonsaeure-aethylester 、
乌洛托品 以
乙醇 为溶剂,
反应 4.0h,
以to give ethyl 7,8-dimethyl-6-phenyl-4H-thieno[3,2-f]-s-triazolo[1,5-a][1,4]diazepine-2-carboxylate as colorless plates melting at 173° to 174° C.的产率得到Ethyl-7,8-dimethyl-6-phenyl-4H-thieno<3,2-f>-s-triazolo<1,5-a>-1,4-diazepin-2-carboxylat