CRYSTALLINE FORM OF TAPENTADOL INTERMEDIATE
The present invention pertains to a crystalline and stable form of (βR,γR)-γ-ethyl-N,N,β-trimethyl-3-(phenylmethoxy)benzenepropanamine, as well as to processes for its preparation, and its use in the preparation of tapentadol and pharmaceutically acceptable salts thereof.
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| Hauptverfasser: | , , |
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| Format: | Patent |
| Sprache: | eng ; fre ; ger |
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| Zusammenfassung: | The present invention pertains to a crystalline and stable form of (βR,γR)-γ-ethyl-N,N,β-trimethyl-3-(phenylmethoxy)benzenepropanamine, as well as to processes for its preparation, and its use in the preparation of tapentadol and pharmaceutically acceptable salts thereof. |
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