4-[(R)-3-(3,5-dichloro-4'-fluoro-biphenyl-4-ylmethyl)-2-oxo-pyrrolidin-1-yl]-piperidine-1-carboxylic acid tert-butyl ester 、
三氟乙酸 以
二氯甲烷 为溶剂,
反应 1.0h,
以to afford 0.59 g (85%) of product的产率得到(R)-3-(3,5-dichloro-4'-fluoro-biphenyl-4-ylmethyl)-1-piperidin-4-yl-pyrrolidin-2-one trifluoroacetic acid