(S)-3-{4-[3-(4-Phenyl-piperidin-1-yl)-prop-1-ynyl]-phenyl}-2-pyrrol-1-yl-propionic acid methyl ester 、 (S)-3-{4-[3-(Methyl-phenyl-amino)-propyl]-phenyl}-2-pyrrol-1-yl-propionic acid methyl ester 在
乙酸乙酯 、 hexanes 作用下,
以
四氢呋喃 为溶剂,
以to give 130c as an oil (0.262 g, 64%)的产率得到(S)-3-{4-[3-(4-Phenyl-piperidin-1-yl)-propyl]-phenyl}-2-pyrrol-1-yl-propionic acid methyl ester