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