tert-butyl 5-{cyclopropyl[(6-hydroxy-1-benzothiophen-3-yl)carbonyl]amino}-4,5,6,7-tetrahydro-2H-indazole-2-carboxylate 、
碘甲烷 在
potassium carbonate 作用下,
以
丙酮 为溶剂,
反应 14.5h,
以35 mg的产率得到tert-butyl 5-{cyclopropyl[(6-methoxy-1-benzothiophen-3-yl)carbonyl]amino}-4,5,6,7-tetrahydro-2H-indazole-2-carboxylate