1,2-环氧丁烷 、 3-异丙基苯胺 在
silica gel 、 ethyl acetate n-hexane 作用下,
以
甲醇 为溶剂,
反应 1.0h,
以hexane/ethyl acetate=7/3 (v/v)] to obtain 13.2 g of the desired product in an oily state (yield: 86.2%)的产率得到N-(2-hydroxybutyl)-m-isopropylaniline
The present invention is directed to a method for preparing 3,4-trans-4-ethyl-1,3-disubstituted (substituted phenyl)pyrrolidine-2-one represented by the formula (1) ##STR1## which comprises the steps of dissolving 4-ethyl-1,3-disubstituted (substituted phenyl)-3-pyrroline-2-one in an inert solvent, and then reducing the same with sodium boron hydride in the presence of methanol.