Reactions catalyzed by haloporphyrins

Lyons, James E

Reactions catalyzed by haloporphyrins

Patent · Sun Dec 31 23:00:00 EST 1995

OSTI ID:870282

Lyons, James E ^[1]

Wallingford, PA

The invention provides novel methods for the oxidation of hydrocarbons with oxygen-containing gas to form hydroxy-group containing compounds and for the decomposition of hydroperoxides to form hydroxygroup containing compounds. The catalysts used in the methods of the invention comprise transition metal complexes of a porphyrin ring having 1 to 12 halogen substituents on the porphyrin ring, at least one of said halogens being in a meso position and/or the catalyst containing no aryl group in a meso position. The catalyst compositions are prepared by halogenating a transition metal complex of a porphyrin. In one embodiment, a complex of a porphyrin with a metal whose porphyrin complexes are not active for oxidation of alkanes is halogenated, thereby to obtain a haloporphyrin complex of that metal, the metal is removed from the haloporphyrin complex to obtain the free base form of the haloporphyrin, and a metal such as iron whose porphyrin complexes are active for oxidation of alkanes and for the decomposition of alkyl hydroperoxides is complexed with the free base to obtain an active catalyst for oxidation of alkanes and decomposition of alkyl hydroperoxides.

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Research Organization:: Sun Refining and Marketing Co., Marcus Hook, PA (United States)

DOE Contract Number:: FC21-90MC26029

Assignee:: Sun Company, Inc. (R&M) (Philadelphia, PA)

Patent Number(s):: US 5489716

OSTI ID:: 870282

Country of Publication:: United States

Language:: English

References (20)

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Reactions catalyzed by haloporphyrins

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