(3S,4R,5R)-5-(aminomethyl)-2-[[3-[3-(dimethylamino)-5-(2-phenylethylcarbamoyl)phenyl]-2-methoxyphenyl]methyl]-4-[(1S)-1-hydroxyethyl]-N-[(1S,2S,3S,5R)-2,6,6-trimethyl-3-bicyclo[3.1.1]heptanyl]-1,2-oxazolidine-3-carboxamide   、                                                                                      
N,N-二甲基甲酰胺                                                                                                                                                              在
                                                                                                                                                                                 O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate   、                                                                                                  
三乙胺                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 3.0h,
                                                                                                                以44%的产率得到(3S,4R,5R)-5-[[bis(dimethylamino)methylideneamino]methyl]-2-[[3-[3-(dimethylamino)-5-(2-phenylethylcarbamoyl)phenyl]-2-methoxyphenyl]methyl]-4-[(1S)-1-hydroxyethyl]-N-[(1S,2S,3S,5R)-2,6,6-trimethyl-3-bicyclo[3.1.1]heptanyl]-1,2-oxazolidine-3-carboxamide