Preparation of 3-[5′-(3,4-bis(hydroxymethyl)benzyloxy)-2′-ethyl-2-propylbiphenyl-4-yl]pentan-3-ol
US7638657B2 · kind B2 · utility
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16Claims
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Key dates
| Filing date | May 18, 2007 |
| Grant date | Dec 29, 2009 |
| Priority date | — |
| Expiry date | Nov 24, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C49/84
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
3-[5′-(3,4-bis(hydroxymethyl)benzyloxy)-2′-ethyl-2-propylbiphenyl-4-yl]pentan-3-ol is prepared from the novel intermediate, 6-ethyl-4′-(1-ethyl-1-hydroxypropyl)-2′-propylbiphenyl-3-ol.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.