Process for producing alkyl aromatic compounds

Details Process for producing alkyl aromatic compounds Process for producing alkyl aromatic compounds

1982-09-24

1983-10-11

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585468, C07C 286

Patent

active

044094124

ABSTRACT:
A process for alkylating aromatic compounds wherein the product aromatics are provided with one or more alkyl groups possessing at least two carbon atoms is disclosed wherein starting aromatic compound(s) and an alkylating atent which is a mixture of hydrogen and/or a hydrogen-containing substance which provides hydrogen under process conditions and a carbon oxide, e.g., a mixture of syngas (hydrogen and carbon monoxide) are reacted at elevated temperature in the presence of an activated catalyst containing metal values selected from the group consisting of iron, cobalt, ruthenium, manganese, rhodium and osmium, and a zeolite having a constraint index of 12 or less, e.g., ZSM-5. The alkylated aromatics can be dealkylated by known and conventional means to provide olefin and the dealkylated aromatics can be recycled to the alkylation zone.

REFERENCES:
patent: 4049738 (1977-09-01), Young
patent: 4086289 (1978-04-01), Seitzer
patent: 4152364 (1979-05-01), Chu
patent: 4157338 (1979-06-01), Haag et al.
patent: 4159995 (1979-07-01), Haag et al.
patent: 4279830 (1981-07-01), Haag et al.

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