1-phenyl-3-methyl-4-(5-salicylcl)-6-amino-4H-pyran<2,3-c>pyrazole-5-ethyl carboxylate 、
N,N'-二环己基碳二亚胺 以
四氢呋喃 为溶剂,
反应 5.0h,
以43%的产率得到1-phenyl-3-methyl-4-<5-(N-cyclohexyl-N-cyclohexylcarbamoyl)salicylamide>-6-amino-4H-pyrano<2,3-c>pyrazole-5-ethylcarboxylate