Process for preparing lactams

Details Process for preparing lactams Process for preparing lactams

C - Chemistry, Metallurgy

07

D

C07D 223/10 (2006.01) C07D 201/08 (2006.01)

Patent

CA 2178998

PRECIS DE LA DIVULGATION L'invention concerne un procédé de préparation de lactames à partir de dinitriles enchaînant deux étapes, l'une d'hémihydrogénation de dinitrile en aminonitrile, l'autre d'hydrolyse cyclisante de l'aminonitrile après seulement une opération simple de purification. Les lactames aliphatiques, tel que notamment l'epsilon-caprolactame, sont des composés de base utiles pour la préparation des polyamides (polyamide-6 à partir du caprolactame).

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