Process for the preparation of tolterodine
US7420091B2 · kind B2 · utility
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Key dates
| Filing date | Dec 14, 2007 |
| Grant date | Sep 2, 2008 |
| Priority date | — |
| Expiry date | Dec 14, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C233/18
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A novel process for the preparation of tolterodine, i.e. (R)—N, N-diisopropyl-3-(2-hydroxy-5-methylphenyl)-3-phenylpropanamine, in the racemic form, as well as intermediates useful for its preparation.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.