Carvedilol phosphate sesquihydrate
The present invention relates a novel crystalline 1-(Carbazol-4-yloxy-3-[[2-(o-methoxyphenoxy)ethyl]amino]-2-propanol phosphate sesquihydrate (Carvedilol dihydrogenphosphate sesquihydrate), methods of preparing the sesquihydrate by adding phosphoric acid to a suspension of Carvedilol in water, water...
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| Format: | Patent |
| Sprache: | eng |
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| Zusammenfassung: | The present invention relates a novel crystalline 1-(Carbazol-4-yloxy-3-[[2-(o-methoxyphenoxy)ethyl]amino]-2-propanol phosphate sesquihydrate (Carvedilol dihydrogenphosphate sesquihydrate), methods of preparing the sesquihydrate by adding phosphoric acid to a suspension of Carvedilol in water, water miscible solvents or a mixture of water and water miscible organic solvent followed by isolating the product directly or by adding solvent. |
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