3-((2S,3R,4S,5R)-3,4-Dimethyl-5-phenyl-oxazolidin-2-yl)-propionic acid methyl ester 、
碘甲烷 在
lithium diisopropyl amide 作用下,
生成 methyl 3-((2S,4S,5S)-3,4-dimethyl-5-phenyloxazolidin-2-yl)-2-methylpropanoate 、 methyl (2R)-3-[(2S,4S,5R)-3,4-dimethyl-5-phenyl-1,3-oxazolidin-2-yl]-2-methylpropanoate