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