Process for preparing pure crystalline lorazepam
The present invention provides a process for preparing crystalline lorazepam substantially free of bound solvent from a lorazepam alcohol solvate or hydrate by suspending the lorazepam solvate in an organic medium selected from ethyl acetate, cyclohexane, dichloromethane, toluene and mixtures thereo...
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| Format: | Patent |
| Sprache: | eng |
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