| 摘要 |
<p>A novel crystalline form B of carvedilol dihydrogen phosphate having X-ray diffraction pattern as shown in figure 1. A process for the preparation of crystalline form B of carvedilol dihydrogen phosphate according to claim 1 that comprises dissolving carvedilol base in aprotic polar solvent, addition of phosphoric acid, heating the solution, adding water to hot solution, cooling, and isolation of solid.</p> |
| 申请人 |
LUPIN LIMITED;THAPER, RAJESH, KUMAR;PRABHAVAT, MANOJ, DEVILALJI;MOUNISHWARACHAR, A., V.;PAWAR, YOGESH, DADAJI;UPADHAY, PRITESH, R. |
发明人 |
THAPER, RAJESH, KUMAR;PRABHAVAT, MANOJ, DEVILALJI;MOUNISHWARACHAR, A., V.;PAWAR, YOGESH, DADAJI;UPADHAY, PRITESH, R. |
