Diacyloxybutene isomerization catalysts comprising selenium diox

Details Diacyloxybutene isomerization catalysts comprising selenium diox Diacyloxybutene isomerization catalysts comprising selenium diox

1979-07-31

1980-12-09

Konopka, P. E.

Compositions

Preservative agents

Anti-oxidants or chemical change inhibitants

252428, 252431C, 560262, 260550, B01J 2700, B01J 3104, C07C 6728, C07C16300

Patent

active

042383560

ABSTRACT:
Diacyloxyolefins are isomerized by contacting one or more diacyloxyolefins with a catalyst system comprising selenium dioxide and a suitable carboxylic acid. There can be additionally present in the catalyst system at least one compound selected from the group consisting of a carboxylic acid anhydride, a polar compound and an ionic reagent.

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patent: 3872163 (1975-03-01), Shimizu et al.
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patent: 4121039 (1978-10-01), Parthasarathy
Ind. Eng. Prod. Res. Develop--vol. 9, No. 1, Mar. 1970, pp. 87-91, "Liquid Phase Oxidation of 1,3 Butadiene with Selenium Oxide"--Javaid et al.
Industrial & Engineering Chemistry--vol. 55, No. 12, Dec. 1963, pp. 18-26, "Catalytic Activity of Selenium"--Kollonitsch et al.

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