Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
Patent
1981-01-16
1982-08-10
Evans, Joseph E.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acids and salts thereof
260413, 260546, C07C 51235
Patent
active
043439500
ABSTRACT:
A one-step process is disclosed for forming a carboxylic acid and its anhydride directly from the corresponding olefin which comprises reacting the olefin with carbon monoxide, hydrogen and oxygen in the presence of a stable rhodium complex catalyst. The rhodium catalyst is stabilized by a pentavalent Group V ligand, such as a phosphine oxide. The reaction is preferably conducted in an inert organic solvent. In an alternate embodiment, a carboxylic acid may be obtained by oxidation of an aldehyde (produced, for example, by hydroformylation of the corresponding olefin) in the presence of a rhodium complex catalyst stabilized by a pentavalent Group V ligand. This reaction is also preferably conducted in an inert organic solvent.
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Petrochemia, vol. 19, No. 1-2, pp. 5-12, (1979), Polievka et al., "Low-Pressure Hydroformylation of Olefin-Type Unsaturated Compounds".
Fiato Rocco A.
Pruett Roy L.
Evans Joseph E.
Finnegan Reynold J.
Union Carbide Corporation
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