(1S)-1-chloromethyl-3-[((5-(2-N,N-dimethylamino)ethoxy)-indol-2-yl)carbonyl]-5-[2-(tert-butoxy)-1-(3,4-methylenedioxy-6-nitro-benzo-1-yl)-2-oxoethoxy]-1,2-dihydro-3H-benz[e]indole 、
三氟乙酸 反应 1.0h,
以95%的产率得到(1S)-1-chloromethyl-3-[((5-(2-N,N-dimethylamino)ethoxy)-indol-2-yl)carbonyl]-5-[2-(carboxy)-1-(3,4-methylenedioxy-6-nitro-benzo-1-yl)-2-oxoethoxy]-1,2-dihydro-3H-benz[e]indole trifluoroacetate