3-[1-(4-methyl-2,6,7-trioxabicyclo[2.2.2]oct-1-ylmethyl]-2-oxopyrrolidin-3-yl)-4(S)-phenyloxazolidin-2-one 、
碘甲烷 在
正丁基锂 、
二异丙胺 作用下,
以
四氢呋喃 、
正己烷 为溶剂,
生成 3-[3(R)-methyl-1-(4-methyl-2,6,7-trioxabicyclo[2.2.2]oct-1-ylmethyl)-2-oxopyrrolidin-3-yl]-4(S)-phenyloxazolidin-2-one 、
3-[3(S)-methyl-1-(4-methyl-2,6,7-trioxabicyclo[2.2.2]oct-1-ylmethyl)-2-oxopyrrolidin-3-yl]-4(S)-phenyloxazolidin-2-one