Haloporphyrins and their preparation and use as catalysts
Abstract
The invention provides novel catalyst compositions, useful in the oxidation of hydrocarbons with air or oxygen to form hydroxy-group containing compounds and in the decomposition of hydroperoxides to form hydroxy-group containing compounds. The catalysts 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 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 hydrocarbons 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 hydrocarbons and for the decomposition of alkyl hydroperoxides is complexed with the free base to obtain an active catalyst for oxidation of hydrocarbons and decomposition of alkyl hydroperoxides.
- Inventors:
-
- (Downingtown, PA)
- Wallingford, PA
- Issue Date:
- Research Org.:
- Sun Refining and Marketing Co., Marcus Hook, PA (United States)
- OSTI Identifier:
- 871130
- Patent Number(s):
- 5663328
- Assignee:
- Sun Company, Inc. (R&M) (Philadelphia, PA)
- Patent Classifications (CPCs):
-
B - PERFORMING OPERATIONS B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL B01J - CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY
- DOE Contract Number:
- FC21-90MC26029
- Resource Type:
- Patent
- Country of Publication:
- United States
- Language:
- English
- Subject:
- haloporphyrins; preparation; catalysts; provides; novel; catalyst; compositions; useful; oxidation; hydrocarbons; air; oxygen; form; hydroxy-group; containing; compounds; decomposition; hydroperoxides; comprise; transition; metal; complexes; porphyrin; 12; halogen; substituents; halogens; meso; position; aryl; prepared; halogenating; complex; embodiment; active; halogenated; obtain; haloporphyrin; removed; free; base; iron; alkyl; complexed; active catalyst; containing compound; free base; catalyst composition; metal complexes; transition metal; provides novel; catalyst containing; metal complex; containing compounds; meso position; halogen substituents; catalyst compositions; novel catalyst; form hydroxy-group; hydroxy-group containing; base form; /999/
Citation Formats
Ellis, Jr., Paul E., and Lyons, James E. Haloporphyrins and their preparation and use as catalysts. United States: N. p., 1997.
Web.
Ellis, Jr., Paul E., & Lyons, James E. Haloporphyrins and their preparation and use as catalysts. United States.
Ellis, Jr., Paul E., and Lyons, James E. Wed .
"Haloporphyrins and their preparation and use as catalysts". United States. https://www.osti.gov/servlets/purl/871130.
@article{osti_871130,
title = {Haloporphyrins and their preparation and use as catalysts},
author = {Ellis, Jr., Paul E. and Lyons, James E},
abstractNote = {The invention provides novel catalyst compositions, useful in the oxidation of hydrocarbons with air or oxygen to form hydroxy-group containing compounds and in the decomposition of hydroperoxides to form hydroxy-group containing compounds. The catalysts 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 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 hydrocarbons 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 hydrocarbons and for the decomposition of alkyl hydroperoxides is complexed with the free base to obtain an active catalyst for oxidation of hydrocarbons and decomposition of alkyl hydroperoxides.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Wed Jan 01 00:00:00 EST 1997},
month = {Wed Jan 01 00:00:00 EST 1997}
}
Works referenced in this record:
Halogen substituent effects on the catalytic activity of iron porphyrin complexes for selective air-oxidation of alkanes in the liquid phase
journal, September 1989
- Ellis, Paul E.; Lyons, James E.
- Catalysis Letters, Vol. 3, Issue 5-6