Patent ID: 9073822
Filing Date: 2015-07-07
Classification: C07C,C07D

Abstract:
1. A process for preparing at least one nitrile of general formula I and at least cyclic imides 3-methylglutarimide and 3-ethylsuccinimide, by reacting at least one carboxylic acid of general formula II and a mixture N of dinitriles comprising 2-methylglutaronitrile (MGN), 2-ethylsuccinonitrile (ESN) and adiponitrile (AdN), wherein x, y are equal to 0 or 1 with (x+y) equal to 1 or 2, v, w are equal to 0 or 1 with (v+w) equal to 1 or 2, and R wherein the mixtures of dinitriles has the following composition by weight 2-Methylglutaronitrile from 80% to 85%, 2-Ethylsuccinonitrile from 8% to 12%, and Adiponitrile from 1% to 5%.