| 发明名称 |
Process for the preparation of biphosphonic acids |
| 摘要 |
An improved process for bisphosphonylation of acids, substituted acids to obtain compounds with the formula using phosphorus trihalide, phosphorus acid, in presence of phenolic compounds as diluent/solvent.
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| 申请公布号 |
US2007173645(A1) |
申请公布日期 |
2007.07.26 |
| 申请号 |
US20070655027 |
申请日期 |
2007.01.18 |
| 申请人 |
DANDA SUBBA REDDY;GARIMELLA NARAYAN K A S S;DIVVELA SRINIVASA RAO V N;DANDALA RAMESH;MEENAKSHISUNDERAM SIVAKUMARAN |
发明人 |
DANDA SUBBA REDDY;GARIMELLA NARAYAN K.A.S.S.;DIVVELA SRINIVASA RAO V.N;DANDALA RAMESH;MEENAKSHISUNDERAM SIVAKUMARAN |
| 分类号 |
C07F9/6506;C07F9/28;C07F9/58 |
主分类号 |
C07F9/6506 |
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