Oxidative ammonolysis of alkylpyridines

Details Oxidative ammonolysis of alkylpyridines Oxidative ammonolysis of alkylpyridines

B - Operations, Transporting

01

J

B01J 23/22 (2006.01) C07D 213/84 (2006.01)

Patent

CA 2188655

A process for the preparation of a highly selective catalyst and its application in the production of cyanopyridines by oxidative ammonolysis of alkylpyridines is described. The catalytic composition is defined by the formula: Va Tib Zrc Ox, wherein a is 1, b is 7.5 to 8, c is 0 to 0.5, x represents the number of oxygen atoms necessary to satisfy the valency requirements of the elements present.

Cette invention se rapporte à un procédé servant à préparer un catalyseur hautement sélectif et à l'application de ce procédé dans la production de cyanopyridines par l'ammonolyse oxydative des alkylpyridines. Cette composition catalytique est définie par la formule: V¿a? Ti¿b? Zr¿c? O¿x?, où a vaut 1, b vaut 7,5 à 8, c vaut 0 à 0,5 et x représente le nombre des atomes d'oxygène nécessaire pour satisfaire aux besoins en valence des éléments présents.

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