(1RS,5SR)-9-methyl-7-trifluoromethanesulfonyloxy-3,9-diaza-bicyclo[3.3.1]non-6-ene-3,6-dicarboxylic acid 3-tert-butyl ester 6-ethyl ester 、
(S)-1-(4-bromo-phenyl)-3-(tert-butyl-dimethyl-silanyloxy)-pyrrolidine 在
四(三苯基膦)钯 正丁基锂 、 zinc(II) chloride 作用下,
以
四氢呋喃 、
正己烷 为溶剂,
反应 1.25h,
生成 (1S,5R)-7-{4-[(3S)-3-(tert-butyldimethylsilanyloxy)pyrrolidin-1-yl]phenyl}-9-methyl-3,9-diazabicyclo[3.3.1]non-6-ene-3,6-dicarboxylic acid 3-tert-butyl ester 6-ethyl ester 、 (1R,5S)-7-{4-[(3S)-3-(tert-butyldimethylsilanyloxy)pyrrolidin-1-yl]phenyl}-9-methyl-3,9-diazabicyclo[3.3.1]non-6-ene-3,6-dicarboxylic acid 3-tert-butyl ester 6-ethyl ester