Boride catalyst for epoxidizing olefinic compounds

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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C07D30120

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active

042150612

ABSTRACT:
A novel catalyst material of a boron containing substance for catalyzing the liquid phase oxidation of an olefin with an organic hydroperoxide to the corresponding oxirane is disclosed. The novel catalyst materials are characterized as binary or ternary boride compounds having the general formula M.sub.x B.sub.y or M.sub.x B.sub.y R.sub.z wherein x is an integer from 1-5; y is an integer from 1-2; z is an integer from 1-4; B is boron; M is an element selected from the groups II-A, III-B, IV-B, V-B, VI-B, VII-B, VIII, III-A, IV-A, and V-A of the Periodic Table, the rare earths, and the actinides; and R is an element different from M selected from the same group of elements in the Periodic Table as M. The preferred catalyst materials are those boron containing substances which are substantially insoluble in the reaction mixture containing the organic hydroperoxides, olefins and products.
Also disclosed is a method for liquid phase epoxidation of an olefinic compound with an organic hydroperoxide at lower temperatures, e.g. 25.degree. C. to 200.degree. C. and a pressure sufficient to maintain the mixture substantially in liquid phase in the presence of a catalytically effective amount of the novel catalyst material.

REFERENCES:
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patent: 3634464 (1972-01-01), Wulff et al.
patent: 3666412 (1972-05-01), Sowards
patent: 3702855 (1972-11-01), Bell et al.
patent: 3832363 (1974-08-01), Fetterly et al.

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