Chemistry of hydrocarbon compounds – Unsaturated compound synthesis – By alkyl transfer – e.g. – disproportionation – etc.
Patent
1997-05-23
1999-04-27
Lewis, Michael
Chemistry of hydrocarbon compounds
Unsaturated compound synthesis
By alkyl transfer, e.g., disproportionation, etc.
585646, 502171, 502172, C07C 602, B01J 3114, B01J 3132
Patent
active
058980920
ABSTRACT:
A supported catalyst with rhenium and also containing aluminium introduced by a compound of the formula (OR).sub.qAlR'.sub.r with R being a hydrocarbyl residue with from 1 to 40 carbon atoms, R' being an alkyl residue with from 1 to 20 carbon atoms, and with q and r equal to 1 or 2 with q+r=3. A process for the preparation of a catalyst comprising impregnating a compound of rhenium on a porous support formed by refractory oxides and/or alumino-silicates of an acid, neutral or basic nature, roasting at a temperature of form 200 to 950.degree. C. and impregnating with said aluminium compound. The catalyst is used for the metathesis of olefins.
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Ghyka Alexander G.
Institut Fran.cedilla.ais du Petrole
Lewis Michael
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