| 发明名称 |
Process for the preparation of tetraethyl methylenebisphosphonate |
| 摘要 |
This invention relates to a process for the preparation of tetraethyl methylenebisphosphonate by the reaction of dichloromethane with diethyl phosphite, wherein the reaction is performed in a polar aprotic solvent or mixtures thereof.
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| 申请公布号 |
US5688983(A) |
申请公布日期 |
1997.11.18 |
| 申请号 |
US19960614234 |
申请日期 |
1996.03.12 |
| 申请人 |
ZENECA LIMITED |
发明人 |
LEADBETTER, MICHAEL R.;BROWN, RICHARD W.;MCKENNA, MAUREEN M. |
| 分类号 |
C07F9/40;(IPC1-7):C07F9/40 |
主分类号 |
C07F9/40 |
| 代理机构 |
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