Olefin double bond isomerization

Details Olefin double bond isomerization Olefin double bond isomerization

1978-11-03

1980-10-21

O'Keefe, Veronica

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By double-bond-shift isomerization

252441R, C07C 524, C07C 530

Patent

active

042296102

ABSTRACT:
Aliphatic monoolefins which can be normal or branched are isomerized at temperatures in the approximate range 500.degree.-1200.degree. F. in presence of a high surface area activated alumina containing a relatively low amount of sodium oxide (Na.sub.2 O) to form 1-olefin. Generally, from about 0.13 to about 0.39 milliequivalents of Na.sub.2 O per gram of the activated alumina containing the Na.sub.2 O, supplied by such sodium compounds as are disclosed, the activated alumina having a large surface area, i.e., about 300-400 m.sup.2 per gram, is used as a catalyst for the isomerization of, say, isomeric n-butenes. Generally, the olefin treated will have from 4 to about 20 carbon atoms per molecule.

REFERENCES:
patent: 3204009 (1965-08-01), Keith
patent: 3248449 (1966-04-01), Goble
patent: 3596927 (1971-08-01), Mitchell

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