6-氯-1-苯并噻吩-2-羧酸 、
3-(3-cyanophenyl)-2-(pyrrolidin-2-yl)-propionic acid methyl ester 以to give 3-(3-cyanophenyl)-2-[1-(6-chlorobenzo[b]thiophene-2-carbonyl)-pyrrolidin-2-yl]-propionic acid methyl ester (0.40 g, 0.89 mmol)的产率得到3-(3-cyanophenyl)-2-[1-(6-chlorobenzo[b]thiophene-2-carbonyl)-pyrrolidin-2-yl]-propionic acid methyl ester