发明授权
- 专利标题： Reduction of trichloromethylpyridines to dichloromethylpyridines
- 专利标题（中）： 将三氯甲基吡啶还原成二氯甲基吡啶
-
申请号： US475020申请日： 1983-03-14
-
公开(公告)号： US4499277A公开(公告)日： 1985-02-12
- 发明人: Sudarhshan K. Malhotra , Jon A. Orvik
- 申请人： Sudarhshan K. Malhotra , Jon A. Orvik
- 申请人地址： MI Midland
- 专利权人： The Dow Chemical Company
- 当前专利权人： The Dow Chemical Company
- 当前专利权人地址： MI Midland
- 主分类号： C07D213/61
- IPC分类号： C07D213/61 ; C07D213/26
摘要：
2(6)-(Trichloromethyl)pyridines are reduced to the corresponding 2(6)-(dichloromethyl)pyridines by treatment with a strong base and an anionic reductant derived from a reductant source material selected from the group consisting of dialkylphosphite and trialkylphosphite said treatment taking place in the presence of a polar, non-hydroxylic solvent and/or a phase transfer catalyst.
公开/授权文献
- US5596638A Headset for hands-free wireless telephone 公开/授权日：1997-01-21
信息查询
