PROCESS FOR THE PREPARATION OF PRAMIPEXOLE
The present invention relates to a new process for the preparation of 2,6-diamino-4,5,6,7- tetrahydobenzthiazole from 4-phtalimido cyclohexanone via an hydroiodide acid addition salt of 2-amino-6-phtalimido-4,5,6,7-terahydrobenzthiazole and to a novel hydroiodide acid addition salt of 2-amino-6-phta...
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| Format: | Patent |
| Sprache: | eng ; fre |
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| Zusammenfassung: | The present invention relates to a new process for the preparation of 2,6-diamino-4,5,6,7- tetrahydobenzthiazole from 4-phtalimido cyclohexanone via an hydroiodide acid addition salt of 2-amino-6-phtalimido-4,5,6,7-terahydrobenzthiazole and to a novel hydroiodide acid addition salt of 2-amino-6-phtalimido-4,5,6,7-terahydrobenzthiazole.
L'invention concerne un nouveau procédé permettant de préparer 2,6-diamino-4,5,6,7- tétrahydrobenzothiazole à partir de 4-phtalimido cyclohexanone par le biais d'un sel d'addition acide hydroiodure de 2-amino-6-phtalimido-4,5,6,7-tétrahydrobenzothiazole et un nouveau sel d'addition acide hydroiodure de 2-amino-6-phtalimido-4,5,6,7-tétrahydrobenzothiazole. |
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