| 发明名称 |
O,o-dimethylthionophosphoric acid prepn - from methanol and o,o - dimethyl-dithiophosphoric acid |
| 摘要 |
<p>O,O-Dimethyl-thionophosphoric acid (I) is prepd by heating a mixt of MeOH and O,O-dimethyl-dithiophosphoric acid (II) in a molar ratio of >=1:2 at >75 degrees C. (II) may be replaced by the equiv amts of P2S5 and MeOH. (I) is an inter for insecticides.</p> |
| 申请公布号 |
FR2137100(A1) |
申请公布日期 |
1972.12.29 |
| 申请号 |
FR19710017335 |
申请日期 |
1971.05.13 |
| 申请人 |
RHONE POULENC |
发明人 |
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| 分类号 |
C07F9/17;(IPC1-7):07F9/00;01N9/00 |
主分类号 |
C07F9/17 |
| 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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