发明授权
- 专利标题： Method for preparing pyrrolidine derivatives
- 专利标题（中）： 制备吡咯烷衍生物的方法
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申请号： US997369申请日： 1992-12-24
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公开(公告)号： US5290949A公开(公告)日： 1994-03-01
- 发明人: Kanji Tomiya , Koichi Moriyasu , Harumichi Aoki , Kengo Oda
- 申请人： Kanji Tomiya , Koichi Moriyasu , Harumichi Aoki , Kengo Oda
- 申请人地址： JPX Tokyo
- 专利权人： Mitsui Toatsu Chemicals, Incorporated
- 当前专利权人： Mitsui Toatsu Chemicals, Incorporated
- 当前专利权人地址： JPX Tokyo
- 优先权： JPX3-342890 19911225
- 主分类号： A01N43/36
- IPC分类号： A01N43/36 ; C07D207/26 ; C07D207/267 ; C07D207/27
摘要：
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.
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