Process for preparation of 1-alkyl-3-methylpiperidone-2 and...

Details Process for preparation of 1-alkyl-3-methylpiperidone-2 and... Process for preparation of 1-alkyl-3-methylpiperidone-2 and...

C - Chemistry, Metallurgy

07

D

C07D 211/76 (2006.01)

Patent

CA 2260927

This invention relates to an improved process for the preparation of 1-alkyl-3- methylpiperidone-2 and 1-alkyl-5-methylpiperidone-2 from 2- methylglutaronitrile wherein the selectivity of the process to bis-1,5- (methylamido)-3-methylpentane is less than 8%.

L'invention concerne un processus amélioré de préparation de 1-alkyl-3-méthylpipéridone-2 et 1-alkyl-5-méthylpipéridone-2 à partir de 2-méthylglutaronitrile, dans laquelle la sélectivité du processus pour bis-1,5-(méthylamido)-3-méthylpentane est inférieure à 8 %.

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