Invention Grant
- Patent Title: Method for preparing unsaturated fatty hydroxyacids
- Patent Title (中): 不饱和脂肪酸酸的制备方法
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Application No.: US12083926Application Date: 2006-10-10
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Publication No.: US07928254B2Publication Date: 2011-04-19
- Inventor: Natacha Frison , Benoit Folleas , Jean-Louis Brayer
- Applicant: Natacha Frison , Benoit Folleas , Jean-Louis Brayer
- Applicant Address: FR Boulogne-Billancourt
- Assignee: Pierre Fabre Dermo-Cosmetique
- Current Assignee: Pierre Fabre Dermo-Cosmetique
- Current Assignee Address: FR Boulogne-Billancourt
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: FR0510765 20051021
- International Application: PCT/FR2006/002268 WO 20061010
- International Announcement: WO2007/045741 WO 20070426
- Main IPC: C07B37/00
- IPC: C07B37/00
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.
Public/Granted literature
- US20080281114A1 Novel Method for Preparing Unsaturated Fatty Hydroxyacids Public/Granted day:2008-11-13
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