(S)-6-(3-(tert-butyldimethylsilanyloxy)pyrrolidin-1-yl)-5',6'-dihydro-2'H-[3,4']bipyridinyl-1',3'-dicarboxylic acid 1'-tert-butyl ester 3'-methyl ester 在
甲醇 、
magnesium 、
盐酸 作用下,
以
甲醇 、
水 为溶剂,
反应 4.0h,
生成 (3'S,4'S)-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 、 (3'R,4'S)-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 、 (3'S,4'R)-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 、 (3'R,4'R)-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