Invention Grant
- Patent Title: Process for the preparation of cyclopentanone derivatives
- Patent Title (中): 环戊酮衍生物的制备方法
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Application No.: US12067882Application Date: 2006-11-02
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Publication No.: US07649107B2Publication Date: 2010-01-19
- Inventor: Jorge M. Lem , Koenraad P. Vanhessche , Cyril Mahaim
- Applicant: Jorge M. Lem , Koenraad P. Vanhessche , Cyril Mahaim
- Applicant Address: CH Geneva
- Assignee: Firmenich SA
- Current Assignee: Firmenich SA
- Current Assignee Address: CH Geneva
- Agency: Winston & Strawn LLP
- Priority: WOPCT/US2005/039784 20051104
- International Application: PCT/US2006/042937 WO 20061102
- International Announcement: WO2007/056129 WO 20070518
- Main IPC: C07C45/61
- IPC: C07C45/61 ; C07C49/757 ; C07C49/753

Abstract:
The present invention relates to the field of organic synthesis and more particularly to a new process for the preparation of an acetal derivative of an alkyl 3-oxo-2-(2-oxoethyl)-1-cyclopentaneacetate. The invention also relates to a method to use said acetal derivative to prepare intermediates useful for the preparation of perfuming ingredients.
Public/Granted literature
- US20080214859A1 Process for the Preparation of Cyclopentanone Derivatives Public/Granted day:2008-09-04
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