6-((R)-3-(2,6-dichloro-4-methylphenoxy)pyrrolidin-1-yl)-3',4',5',6'-tetrahydro-2'H-[3,4']bipyridinyl-1',3'-dicarboxylic acid 1'-tert-butyl ester 3'-methyl ester 在
sodium hydroxide 作用下,
以
四氢呋喃 为溶剂,
反应 6.0h,
以98%的产率得到4-[6-[(3R)-3-(2,6-dichloro-4-methylphenoxy)pyrrolidin-1-yl]pyridin-3-yl]-1-[(2-methylpropan-2-yl)oxycarbonyl]piperidine-3-carboxylic acid