methyl (8S)-8-(chloromethyl)-4-hydroxy-2-(trifluoromethyl)-3,6,7,8-tetrahydropyrrolo[3,2-e]indol-6-ium-1-carboxylate;chloride 、
3,3'-(5,8-dimethoxynaphthalene)bisacrylic acid 在
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以15%的产率得到methyl (8S)-8-(chloromethyl)-6-[(E)-3-[4-[(E)-3-[(8S)-8-(chloromethyl)-4-hydroxy-1-methoxycarbonyl-2-(trifluoromethyl)-7,8-dihydro-3H-pyrrolo[3,2-e]indol-6-yl]-3-oxoprop-1-enyl]-5,8-dimethoxynaphthalen-1-yl]prop-2-enoyl]-4-hydroxy-2-(trifluoromethyl)-7,8-dihydro-3H-pyrrolo[3,2-e]indole-1-carboxylate