(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