4-[4-((R)-3-cyclohexyl-2-oxo-5-phenyl-imidazolidin-1-yl)-piperidin-1-ylmethyl]-benzoic acid 、
4-氨基丁酸乙酯.盐酸盐 以
N,N-二甲基甲酰胺 为溶剂,
以afforded 4-{4-[4-((R)-3-cyclohexyl-2-oxo-5-phenylimidazolidin-1-yl)-piperidin-1-ylmethyl]-benzoylamino}-butyric acid ethyl ester as a white solid (33 mg, 52%)的产率得到4-{4-[4-((R)-3-cyclohexyl-2-oxo-5-phenylimidazolidin-1-yl)-piperidin-1-ylmethyl]-benzoylamino}-butyric acid ethyl ester