Purified racemic lasofoxifene and purified lasofoxifene D-tartrate and a method for effective purification of racemic lasofoxifene
US7358374B2 · kind B2 · utility
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8References
9Claims
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Key dates
| Filing date | Mar 28, 2005 |
| Grant date | Apr 15, 2008 |
| Priority date | — |
| Expiry date | Sep 2, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07D207/08
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
A method for removing impurities from racemic cis-6-phenyl-5-[4-(2-pyrrolidin-1-ylethoxy)phenyl]-5,6,7,8-tetrahydronaphthalen-2-ol and purified cis-6-phenyl-5-[4-(2-pyrrolidin-1-ylethoxy)phenyl]-5,6,7,8-tetrahydronaphthalen-2-ol useful as an estrogen agonist/antagonist.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.