N-<1-(R)-<(1,1-dimethylethoxy)carbonyl>-3-(1,3-dihydro-1,3-dioxo-2H-benzisoindol-2-yl)propyl>-L-leucine, 4-methylpiperazine amide 、
三氟乙酸 反应 15.0h,
以58%的产率得到N-<1-(R)-carboxy-3-(1,3-dihydro-1,3-dioxo-2H-benz
isoindol-2-yl)propyl>-L-leucine, 4-methylpiperazine amide, trifluoroacetate