tert-Butyl 3-(N-{(1R)-1-[(4-chlorophenyl)-methyl]-2-[4-2-{[(2-cyanophenyl)sulfonyl]amino}-phenylpiperidyl]-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-{[(2-cyanophenyl)sulfonyl]amino}-phenyl)piperidyl]-2-oxoethyl}((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide 、
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 (TFA salt) as a white foam (76 mg)的产率得到N-{(1R)-1-[(4-chlorophenyl)methyl]-2-[4-(2-{[(2-cyanophenyl)sulfonyl]amino}-phenyl)piperidyl]-2-oxoethyl}((3S)(3-1,2,3,4-tetrahydroisoquinolyl))carboxamide