tert-butyl 6-(3-phenyl-7-(2,2,2-trifluoroacetyl)-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-8-carboxamido)-1H-indazole-1-carboxylate 在
sodium tetrahydroborate 作用下,
以
乙醇 为溶剂,
反应 0.5h,
以67 mg的产率得到tert-butyl 6-(3-phenyl-5,6,7,8-tetrahydroimidazo[1,2-a]pyrazine-8-carboxamido)-1H-indazole-1-carboxylate