Peroxo-containing metal complexes having amine oxide,...

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B01J 31/18 (2006.01) B01J 31/22 (2006.01) C07D 301/12 (2006.01) C07D 303/04 (2006.01) C07D 405/00 (2006.01) C07F 7/00 (2006.01) C07F 9/00 (2006.01) C07F 11/00 (2006.01) C07F 13/00 (2006.01)

Patent

CA 2229344

Catalysts for epoxidizing olefins have the formula (I), in which M stands for a metal of the 4th to 7th secondary group of the periodic table of elements; L1 stands for an amine oxide, phosphane oxide, arsane oxide, pyridin-N-oxide or pyridine ligand having the formulas (II), (III), (VII) or (VIII); L2 stands for a usual auxiliary ligand or another ligand L1 or a free co-ordination site; X stands for oxo-oxygen or imido ligands; m equals 1 or 2; and n equals 1, 2 or 3.

L'invention concerne des catalyseurs de la formule (I) pour l'expoxydation d'oléfines. Dans cette formule (I) M représente un métal du 4ème au 7ème sous-groupe de la classification périodique des éléments, L<1> représente un ligand aminoxyde, phosphanoxyde, arsanoxyde, pyridin-N-oxyde ou pyridine de la formule (II), (III), (VII) ou (VIII); L<2> représente un ligand auxiliaire usuel ou un autre ligand L<1> ou un site de coordination libre; X représente de l'oxo-oxygène ou des ligands imido; m vaut 1 ou 2 et n vaut 1, 2 ou 3.

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