High selectivity process for vapor phase oxydehydrogenation of a

Details High selectivity process for vapor phase oxydehydrogenation of a High selectivity process for vapor phase oxydehydrogenation of a

1981-04-27

1986-08-19

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

2604055, 560214, C07C 5114, C07C 5702

Patent

active

046071229

ABSTRACT:
A novel method of converting alkanoic acids, such as isobutyric acid, to alpha-beta unsaturated acids, such as methacrylic acid, is disclosed which exhibits a higher degree of selectivity than those vapor phase oxydehydration methods heretofore known to the art. The preferred method comprises contacting a Dawson structure phosphomolybdic acid catalyst with isobutyric acid under specified reaction conditions to achieve a high selectivity for methacrylic acid.

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