methyl 2-ethoxythiocarbonylsulfanyl-3,3-dimethoxypropionate 、
Tert-butyl 3-[2-[(2-methylpropan-2-yl)oxycarbonyl-prop-2-enylamino]ethyl]indole-1-carboxylate 在
双十二烷基过氧化物 作用下,
以
various solvent(s) 为溶剂,
以25%的产率得到5-(3,3-dimethoxy-2-methoxycarbonyl-propyl)-1,2,4,5,5a,10b-hexahydro-azepino[4,5-
b]indole-3,6-dicarboxylic acid di-
tert-butyl ester