Process for producing a 1,4-dialkylbenzene

Details Process for producing a 1,4-dialkylbenzene Process for producing a 1,4-dialkylbenzene

1985-06-04

1986-09-23

Metz, Andrew H.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585468, 585475, 502 71, 502 77, C07C 266

Patent

active

046137173

ABSTRACT:
By the vapor phase reaction of benzene or a monoalkylbenzene with an alkylating agent in the presence of a specific catalyst obtained by subjecting a zeolite to a treatment with a gas containing a silicic acid ester and then a calcination in an oxygen-containing gas, said zeolite being 10 or more with respect to its molar ratio of SiO.sub.2 /X.sub.2 O.sub.3 in which X is at best one member selected from the group consisting of Al, B and Cr and having a constraint index within the range of 1 to 15, various useful 1,4-dialkylbenzenes can be produced not only in high yield but also in high selectivity.

REFERENCES:
patent: 4086287 (1978-04-01), Kaeding
patent: 4090981 (1978-05-01), Rodewald
patent: 4145315 (1979-03-01), Rodewald
patent: 4444989 (1984-04-01), Herkes
patent: 4465886 (1984-08-01), Rodewald
patent: 4491678 (1985-01-01), Oda et al.
patent: 4537757 (1985-08-01), Chono et al.
Niwa, J. Chem. Soc., Chem. Commun., 819-820, 1982.

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