Method for the hydrolytic cyclisation of an aminonitrile...

Details Method for the hydrolytic cyclisation of an aminonitrile... Method for the hydrolytic cyclisation of an aminonitrile...

C - Chemistry, Metallurgy

07

D

C07D 201/08 (2006.01)

Patent

CA 2441812

The invention relates to a method for the hydrolytic cyclisation of an aminonitrile compound to give a lactam in the presence of a catalyst, in particular a method for the hydrolytic cyclisation of an aminonitrile compound in the presence of a solid catalyst of a clay type. The invention relates in particular to the preparation of .epsilon.-caprolactam by hydrolytic cyclisation of the aminocapronitrile.

L'invention concerne un procédé d'hydrolyse cyclisante d'un composé aminonitrile en lactame en présence d'un catalyseur. Elle se rapporte plus particulièrement à un procédé d'hydrolyse cyclisante d'un composé aminonitrile en présence d'un catalyseur solide de type argile. L'invention s'applique notamment à la préparation d'.epsilon.-caprolactame par hydrolyse cyclisante de l'aminocapronitrile.

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