5-{[N-(4-Nitro-phenyl)-thiomorpholine-4-carboximidoyl]-amino}-3,4-diphenyl-thieno[2,3-c]pyridazine-6-carboxylic acid ethyl ester 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
反应 0.25h,
以85%的产率得到5-(4-Nitrophenyl)-12,13-diphenyl-4-thiomorpholin-4-yl-8-thia-3,5,10,11-tetrazatricyclo[7.4.0.02,7]trideca-1(13),2(7),3,9,11-pentaen-6-one