Al.sub.2 O.sub.3 alkene isomerization process and catalyst

Details Al.sub.2 O.sub.3 alkene isomerization process and catalyst Al.sub.2 O.sub.3 alkene isomerization process and catalyst

1990-12-07

1991-08-27

Russel, Jeffrey E.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By double-bond-shift isomerization

585670, 585671, C07C 525, C07C 527

Patent

active

050435230

ABSTRACT:
Gamma alumina having a sodium content of less than 0.01 weight percent sodium calculated as Na.sub.2 O and said alumina modified with silicon were found to be superior catalysts for the isomerization of alkenes having at least four carbon atoms, preferably with 0.01 to 1 mole of water per mole of alkene present during the isomerization. Both skeletal isomerization (e.g. n-butene to isobutene) and position isomerization (e.g. butene-2 to butene-1) are obtained.

REFERENCES:
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patent: 3558733 (1971-01-01), Myers
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patent: 3928485 (1975-12-01), Nagase et al.
patent: 4225419 (1980-09-01), Myers
patent: 4229610 (1980-10-01), Myers et al.
patent: 4436949 (1984-03-01), Myers et al.

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