Method for preparing unsaturated fatty hydroxyacids
US7928254B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Oct 10, 2006 |
| Grant date | Apr 19, 2011 |
| Priority date | — |
| Expiry date | Oct 23, 2027 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07C67/343
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
The invention concerns a method for preparing a compound of formula (I), wherein: R3 and R1 represent in particular H and n is greater than 4, said preparation method including performing a Wittig-Horner reaction with a phosphonate on a lactol, so as to obtain a hydroxyester and, optionally a saponification reaction of said hydroxyester.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.