2-(R)-(4-fluoro-2-methyl-phenyl)-3-(R)-hydroxymethyl-piperidine-1-carboxylic acid [1-(R)-(3,5-bis-trifluoromethyl-phenyl)-ethyl]-methyl-amide 在
N-甲基吗啉氧化物 、 四丙基高钌酸铵 作用下,
以
二氯甲烷 为溶剂,
反应 1.5h,
以93%的产率得到2-(R)-(4-fluoro-2-methyl-phenyl)-3-(R)-formyl-piperidine-1-carboxylic acid [1-(R)-(3,5-bis-trifluoromethyl-phenyl)-ethyl]-methyl-amide