S-isopropyl 2,2-dichloro-2-(1,1-dichloro-2-oxo-3-tosyl-2,3,5,9b-tetrahydro-1H-benzo[e]indol-5-yl)ethanethioate 以
正己烷 、
乙酸乙酯 为溶剂,
以19%的产率得到S-isopropyl 2,2-dichloro-2-((5R,9bS)-1,1-dichloro-2-oxo-3-tosyl-2,3,5,9b-tetrahydro-1H-benzo[e]indol-5-yl)ethanethioate