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Method for oxidizing alkanes using novel porphyrins synthesized from dipyrromethanes and aldehydes

United States Patent

November 23, 1999
View the Complete Patent at the US Patent & Trademark Office
The invention comprises a method for the oxidation of alkanes to alcohols and for decomposition of hydroperoxides to alcohols utilizing new compositions of matter, which are metal complexes of porphyrins. Preferred complexes have hydrogen, haloalkyl or haloaryl groups in meso positions, two of the opposed meso atoms or groups being hydrogen or haloaryl, and two of the opposed meso atoms or groups being hydrogen or haloalkyl, but not all four of the meso atoms or groups being hydrogen. Other preferred complexes are ones in which all four of the meso positions are substituted with haloalkyl groups and the beta positions are substituted with halogen atoms. A new method of synthesizing porphyrinogens is also disclosed.
Wijesekera; Tilak (Glen Mills, PA), Lyons; James E. (Wallingford, PA), Ellis, Jr.; Paul E. (Downingtown, PA)
Sun Company, Inc. (Philadelphia, PA)
08/ 175,057
December 29, 1993
The Government of the United States of America has rights in this invention pursuant to Cooperative Agreement No. DE-FC21-90MC26029 awarded by the U.S. Department of Energy.