Shape selective reactions utilizing group iii a metal-...

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C - Chemistry, Metallurgy

07

C

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C07C 15/02 (2006.01) B01J 29/08 (2006.01) B01J 29/40 (2006.01) C07C 2/66 (2006.01) C07C 2/86 (2006.01) C07C 6/12 (2006.01) B01J 29/65 (2006.01) B01J 29/70 (2006.01)

Patent

CA 1180308

ABSTRACT A process for the conversion of aromatic compounds to dialkylbenzene compounds rich in the 1,4-dlalkylbenzene isomer. The reaction is carried out in the presence of a particular type of zeolite catalyst having a silica to alumina mole ratio of at least 12 and a constraint index of about 1-12, said catalyst having been modified by treatment with compounds of scandium, yttrlum and/or samarium, and optionally phosphorus, to deposit a minor proportion of such elements on the zeolite.

371512

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