6-((S)-3-(tert-butyldimethylsilanyloxy)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
四丁基氟化铵 作用下,
以
四氢呋喃 为溶剂,
反应 7.0h,
生成 (3'S,4'S)-6-((S)-3-hydroxypyrrolidin-1-yl)-3',4',5',6'-tetrahydro-2'H-[3,4']bipyridinyl-1',3'-dicarboxylic acid 1'-tert-butyl ester 3'-methyl ester 、 (3'R,4'S)-6-((S)-3-hydroxypyrrolidin-1-yl)-3',4',5',6'-tetrahydro-2'H-[3,4']bipyridinyl-1',3'-dicarboxylic acid 1'-tert-butyl ester 3'-methyl ester 、 (3'S,4'R)-6-((S)-3-hydroxypyrrolidin-1-yl)-3',4',5',6'-tetrahydro-2'H-[3,4']bipyridinyl-1',3'-dicarboxylic acid 1'-tert-butyl ester 3'-methyl ester 、 (3'R,4'R)-6-((S)-3-hydroxypyrrolidin-1-yl)-3',4',5',6'-tetrahydro-2'H-[3,4']bipyridinyl-1',3'-dicarboxylic acid 1'-tert-butyl ester 3'-methyl ester