4-[(1-{-4-[7-((R)-sec-butoxy)-1-(4-chloro-phenyl)-6-methoxy-3-oxo-3,4-dihydro-1H-isoquinolin-2-yl]-phenyl}-ethyl)-ethyl-carbamoyl]-piperidine-1-carboxylic acid tert-butyl ester 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 1.0h,
以58%的产率得到piperidine-4-carboxylic acid (1-{4-[7-((R)-sec-butoxy)-1-(4-chloro-phenyl)-6-methoxy-3-oxo-3,4-dihydro-1H-isoquinolin-2-yl]-phenyl}-ethyl)-ethyl-amide trifluoroacetate