2-(R)-(4-fluoro-2-methylphenyl)-3-oxopiperazine-1-carboxylic acid [1-(S)-(3,5-bis-trifluoromethylphenyl)ethyl]methylamide 、
溶剂黄146 以
乙醚 为溶剂,
反应 2.0h,
以21.8%的产率得到2-(R)-(4-fluoro-2-methylphenyl)piperazine-1-carboxylic acid [1-(S)-(3,5-bis-trifluoromethylphenyl)ethyl]methylamide acetate