Process for producing an alkylated, non-oxygen-containing aromat

Details Process for producing an alkylated, non-oxygen-containing aromat Process for producing an alkylated, non-oxygen-containing aromat

1997-07-17

1999-07-13

Tran, Hien

Chemistry of hydrocarbon compounds

Plural serial diverse syntheses

To produce aromatic

585467, 585468, 585671, 585455, C07C 268, C07C 264, C07C 522

Patent

active

059229225

ABSTRACT:
An alkylated aromatic hydrocarbon is produced having the following properties: (a) less than 40 wt. % of the alkylated aromatic hydrocarbon is 2-aryl; and (b) at least 20 wt. % of the alkylated aromatic hydrocarbon is a monoalkylate. That alkylated aromatic hydrocarbon is produced by isomerizing a normal alpha-olefin having from 20 to 28 carbon atoms in the presence of a first acidic catalyst to produce a partially-branched, isomerized olefin, then either benzene or toluene is alkylated with the partially-branched, isomerized olefin in the presence of a second solid, acidic catalyst. The first acidic catalyst can be a molecular sieve with a one-dimensional pore system. The second acidic catalyst can be a zeolite Y having a silica to alumina ratio of at least 40:1.

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