Invention Application
- Patent Title: Preparation of chiral amino-nitriles
- Patent Title (中): 手性氨基腈的制备
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Application No.: US10946167Application Date: 2004-09-21
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Publication No.: US20050038281A1Publication Date: 2005-02-17
- Inventor: David Allen , Crystal Achenbach-McCarthy
- Applicant: David Allen , Crystal Achenbach-McCarthy
- Main IPC: C07C253/34
- IPC: C07C253/34 ; C07B57/00 ; C07C69/78 ; C07C253/30 ; C07C255/24 ; C07C253/32

Abstract:
A process and intermediates for producing 3-amino nitrites. The process involves resolving an enantiomeric mixture of chiral 3-amino nitrites in the presence of a chiral acid in a solvent system to produce a chiral 3-amino nitrile salt. The process may further comprise a recrystalizing step, wherein an enantiomerically enriched 3-amino nitrile salt is produced. The process may further comprise a salt exchanging step, wherein another acid is added to the chiral 3-amino nitrile salt or the enantiomerically enriched 3-amino nitrile salt to produce another 3-amino nitrile salt.
Public/Granted literature
- US07301044B2 Preparation of chiral amino-nitriles Public/Granted day:2007-11-27
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