4-((N-(4-(trifluoromethyl)benzyl)carbamoyl)methyl)-piperidine hydrochloride 、 2-(r)-(3-(r)-Formyl-4-(s)-(3-fluorophenyl)-pyrrolidin-1-yl)-2-(cyclohexyl)acetic acid, 4-(methoxy)benzyl ester 在
2-(R)-(3-(S)-(4-((N-(4-(trifluoromethyl)benzyl)carbamoyl)methyl)piperidin-1-yl)methyl-4-(S)-(3-fluorophenyl)-pyrrolidin-1-yl)-2-(cyclohexyl)acetic acid 作用下,
以to give 14 mg (38%) of the title compound的产率得到2-(R)-(3-(S)-(4-((N-(4-(trifluoromethyl)benzyl)carbamoyl)methyl)piperidin-1-yl)methyl-4-(S)-(3-fluorophenyl)-pyrrolidin-1-yl)-2-(cyclohexyl)acetic acid