Process for the production of tibolone
US7884222B2 · kind B2 · utility
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19Claims
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Key dates
| Filing date | Mar 3, 2004 |
| Grant date | Feb 8, 2011 |
| Priority date | — |
| Expiry date | Mar 23, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07J5/00
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A process for the syntheses of 17β-hydroxy-7α-methyl-19-nor-17α-pregn-5(10)-ene-20-yne-3-one (tibolone, 11) and intermediates useful for the synthesis thereof.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.