Methyl alkylation of toluene using basic zeolite catalysts

Details Methyl alkylation of toluene using basic zeolite catalysts Methyl alkylation of toluene using basic zeolite catalysts

1989-12-14

1991-05-14

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

Having alkenyl moiety, e.g., styrene, etc.

585453, 585467, C07C 1207, C07C 264

Patent

active

050157965

ABSTRACT:
This invention relates to a process for the alkylation of methylbenzene to produce ethylbenzene and styrene. In this process methylbenzene and methanol are contacted with a catalyst formed from a zeolite and an alkali(ne earth) metal compound wherein said compound is selected from alkaline earth metal compound and a mixture of alkaline earth metal compound and alkali metal compound and wherein the sum of the amount of the alkali(ne earth) metal in the compound plus any metal cation exchanged into the zeolite is in excess of that required to provide a fully metal cation-exchanged zeolite.

REFERENCES:
patent: 3449455 (1969-06-01), Napolitano et al.
patent: 4115424 (1978-09-01), Unland et al.
Yashima et al., "Alkylation on Synthetic Zeolites", J. Catalysis, 26, 303-312, (1972).
Inland et al. in "Catalysis of Organic Reactions", edited by W. R. Moser and published by Marcel Dekker, Inc., pp. 51-71.

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