tert-Butyl 3-[N-((1R)-1-[(4-chlorophenyl)-methyl]-2-{4-[2-(methoxycarbonylamino)-phenyl]-piperidyl}-2-oxoethyl)carbamoyl](3S)-1,2,3,4-tetrahydroisoquinoline-2-carboxylate 、
三氟乙酸 在
n-((1r)-1-[(4-Chlorophenyl)methyl]-2-{4-[2-(methoxycarbonylamino)phenyl]piperidyl}-2-oxoethyl)-((3s)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide trifluoroacetate 、
乙腈 、
水 作用下,
以
二氯甲烷 为溶剂,
反应 0.53h,
以100% CH3CN (0.1% TFA) for 2 min] provided the title compound as a white foam (159 mg)的产率得到n-((1r)-1-[(4-Chlorophenyl)methyl]-2-{4-[2-(methoxycarbonylamino)phenyl]piperidyl}-2-oxoethyl)-((3s)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide trifluoroacetate