发明名称 |
Reduction of trichloromethylpyridines to dichloromethylpyridines |
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.
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申请公布号 |
US4499277(A) |
申请公布日期 |
1985.02.12 |
申请号 |
US19830475020 |
申请日期 |
1983.03.14 |
申请人 |
THE DOW CHEMICAL COMPANY |
发明人 |
MALHOTRA, SUDARHSHAN K.;ORVIK, JON A. |
分类号 |
C07D213/61;(IPC1-7):C07D213/26 |
主分类号 |
C07D213/61 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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