Invention Grant
- Patent Title: Method for preparing enantiomerically enriched N-carboxyanhydride
- Patent Title (中): 制备对映体富集的N-羧酸酐的方法
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Application No.: US12617398Application Date: 2009-11-12
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Publication No.: US08119813B2Publication Date: 2012-02-21
- Inventor: Antony Bigot , Maxime Lampilas
- Applicant: Antony Bigot , Maxime Lampilas
- Applicant Address: FR Paris
- Assignee: sanofi-aventis
- Current Assignee: sanofi-aventis
- Current Assignee Address: FR Paris
- Agent Brian R. Morrill
- Priority: FR0703702 20070525
- Main IPC: C07D263/04
- IPC: C07D263/04 ; C07C271/18
Abstract:
This disclosure relates to methods for preparing an enantiomerically enriched N-carboxyanhydride of an amino alpha acid of the formula (IIIa) or (IIIb): from a compound of the formula (IIa) or (IIb), respectively: wherein R1, R2, and R3 are as defined in the disclosure.
Public/Granted literature
- US20100113797A1 METHOD FOR PREPARING ENANTIOMERICALLY ENRICHED N-CARBOXYANHYDRIDE Public/Granted day:2010-05-06
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