Catalytic oxydehydrogenation process

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters

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252435, 252437, 562599, C07C 51377, C07C 5705, C07C 67317, C07C 6954

Patent

active

042987555

ABSTRACT:
Isobutyric acid or a functional equivalent, e.g., a lower alkyl ester is oxidatively dehydrogenated to effect the vapor phase conversion thereof to the corresponding .alpha.,.beta.-ethylenically unsaturated derivative by contact with a heterogeneous catalyst in the presence of molecular oxygen. The catalyst is composed of calcined phosphates of iron containing silver as a modifier or dopant component.

REFERENCES:
patent: 3855279 (1974-12-01), Watkins
patent: 3917673 (1975-11-01), Watkins

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