ethyl 4-(t-butyldimethyl)silyloxy-N-(t-butyloxycarbonyl)-8-chloromethyl-2-methyl-7,8-dihydro-6H-furo[3,2-e]indole-1-carboxylate 在
四丁基氟化铵 作用下,
以
氯仿 为溶剂,
反应 0.08h,
以100%的产率得到ethyl N-(t-butyloxycarbonyl)-2-methyl-8-oxo-4a,5,6,8-tetrahydro-4H-cyclopropa[c]furo[3,2-e]indole-3-carboxylate