2-[4-(3-amino-(3R)-pyrrolidin-1-yl)piperidin-1-yl]benzonitrile 、
(4S,5R)-4-(3,4-difluorophenyl)-2-oxo-5-(tetrahydropyran-2-yloxymethyl)-oxazolidine-3-carboxylic acid 4-nitrophenyl ester 在
N,N-二异丙基乙胺 作用下,
以
乙酸乙酯 、
N,N-二甲基甲酰胺 为溶剂,
生成 (4S,5R)-4-(3,4-difluorophenyl)-2-oxo-5-(tetrahydropyran-2-yloxymethyl)oxazolidine-3-carboxylic acid {1-[1-(2-cyanophenyl)piperidin-4-yl]-(3R)-pyrrolidin-3-yl}amide