(1R*,5S*)-3-(4-((R)-3-(2,6-dichloro-4-methylphenoxy)pyrrolidin-1-yl)phenyl)-8-azabicyclo[3.2.1]oct-2-ene-2,8-dicarboxylic acid 8-tert-butyl ester 2-methyl ester 在
甲醇 、
magnesium 、
盐酸 作用下,
以
甲醇 、
水 为溶剂,
生成 (1S,2S,3R,5R)-3-(4-((R)-3-(2,6-dichloro-4-methylphenoxy)pyrrolidin-1-yl)phenyl)-8-azabicyclo[3.2.1]octane-2,8-dicarboxylic acid 8-tert-butyl ester 2-methyl ester 、 (1R,2R,3S,5S)-3-(4-((R)-3-(2,6-dichloro-4-methylphenoxy)pyrrolidin-1-yl)phenyl)-8-azabicyclo[3.2.1]octane-2,8-dicarboxylic acid 8-tert-butyl ester 2-methyl ester