Patent ID: 8450509
Filing Date: 2013-05-28
Classification: C07C,C08G

Abstract:
1. A process for the synthesis of amino acids or amino esters of the general formula NH 2 —(CH 2 ) 8 —COOR, R being either H or an alkyl radical comprising from 1 to 4 carbon atoms, from long-chain natural unsaturated fatty acids or esters corresponding to the formula R 1 CH═CH—(CH 2 ) 7 —COOR in which R 1 represents either H or a hydrocarbon radical comprising from 1 to 11 carbon atoms having from 0 to 2 olefinic unsaturations and, optionally one hydroxyl functional group, comprising (a) subjecting said unsaturated fatty acid or ester to a catalytic cross metathesis reaction with ethylene to form ω-unsaturated acids or esters, at least 50 mol% of which correspond to formula CH (b) subjecting the acid or ester of the formula CH (c) converting the resulting aldehyde acid/ester of formula CHO—(CH