A NEW POLYMORPHIC FORM OF A PYRAZINO[2,3-<i
The invention relates generally to a crystalline polymorphic form of 7, 8, 9, 10-tetrahydro-6, 10-methano-6H-pyrazino[2, 3-h][3] benzazepine, varenicline base, i.e. a hydrate of varenicline base, designated herein as Form II, and to a method for preparing and obtaining the same. L'invention por...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | The invention relates generally to a crystalline polymorphic form of 7, 8, 9, 10-tetrahydro-6, 10-methano-6H-pyrazino[2, 3-h][3] benzazepine, varenicline base, i.e. a hydrate of varenicline base, designated herein as Form II, and to a method for preparing and obtaining the same.
L'invention porte d'une manière générale sur une forme polymorphe cristalline de 7, 8, 9, 10-tétrahydro-6, 10-méthano-6H-pyrazino[2,3-h][3]benzazépine, la varénicline base, à savoir un hydrate de varénicline base, appelée ici Forme II, ainsi que sur un procédé pour préparer et obtenir celle-ci. |
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