Hydroperoxide decomposition process

Details Hydroperoxide decomposition process Hydroperoxide decomposition process

C - Chemistry, Metallurgy

07

C

C07C 45/53 (2006.01) C07C 29/00 (2006.01) C07C 29/132 (2006.01)

Patent

CA 2279493

An improved process for decomposing alkyl or aromatic hydroperoxides to form a decomposition reaction mixture containing the corresponding alcohol and ketone. The improvement relates to decomposing the hydroperoxide by contacting the hydroperoxide with a catalytic amount of a heterogenous catalyst of Au, Ag, Cu or a sol-gel compound containing particular combinations of Cr, Co, Zr, Ta, Si, Mg, Nb, Al and Ti wherein certain of those metals have been combined with an oxide, such as an inorganic matrix of hydroxides or oxides, or combinations thereof. The catalysts may also optionally be supported on a suitable support member.

Procédé amélioré permettant la décomposition d'hydroperoxydes alkyles ou aromatiques en vue de former un mélange réactionnel de décomposition contenant l'alcool et la cétone correspondants. L'amélioration consiste en la décomposition de l'hydroperoxyde par sa mise en contact avec une quantité d'un catalyseur hétérogène contenant Au, Ag, Cu, ou un composé sol-gel qui renferme des combinaisons spécifiques de Cr, Co, Zr, Ta, Si, Mg, Nb, Al et Ti, dans lesquelles certains de ces métaux ont été combinés avec un oxyde, tel qu'une matrice inorganique d'hydroxydes ou oxydes ou des combinaisons oxydes-hydroxydes. Eventuellement, les catalyseurs peuvent également être disposés sur un élément de support approprié.

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