Liquid catalyst for hydrocarbon conversion reactions

Details Liquid catalyst for hydrocarbon conversion reactions Liquid catalyst for hydrocarbon conversion reactions

1987-04-17

1988-02-23

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By alkyl or aryl transfer between molecules, e.g.,...

C07C 522

Patent

active

047272104

ABSTRACT:
A liquid catalyst for hydrocarbon conversion reactions and a method for reacting hydrocarbons employing such catalyst is provided by the present invention. The liquid catalyst includes a strong liquid acid such as sulfuric acid or trifluoromethanesulfonic acid and an ion-stabilizing agent such as hexafluoroisopropanol or trifluoroacetic acid. The liquid catalyst has a significantly higher Bronsted acidity than the strong liquid Bronsted acid alone. When the liquid catalyst is used to catalyze the transalkylation of alkylbenzene, for example, the rate of transalkylation is from 2 to 3 times greater than using the strong liquid acid alone.

REFERENCES:
patent: 2090905 (1938-08-01), Stevens et al.
patent: 2981772 (1961-04-01), Holzman
patent: 4038212 (1977-07-01), Brockington et al.
patent: 4347384 (1982-08-01), Fields
patent: 4525470 (1985-06-01), Kohl
patent: 4585750 (1986-04-01), Farcasiu

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