Selective production of aromatics

Details Selective production of aromatics Selective production of aromatics

C - Chemistry, Metallurgy

07

C

260/683.9

C07C 15/02 (2006.01) B01J 29/40 (2006.01) C07C 1/20 (2006.01) C07C 2/66 (2006.01) C07C 5/27 (2006.01) C07C 6/12 (2006.01) B01J 29/65 (2006.01) B01J 29/70 (2006.01)

Patent

CA 1162945

F-0542-L SELECTIVE PRODUCTION OF AROMATICS ABSTRACT Selective reactions of hydrocarbons and/or oxygenated hydrocarbons are conducted in the presence of catalysts comprising one or more zeolites characterized by a silica to alumina mole ratio of at least 12 and a constraint index in the approximate range of 1 to 12. The catalyst is contacted with bulky heterocyclic organic nitrogen compounds having an effective critical dimension of greater than 6.8 Angstroms and a pKa of between about 3 and 9. The process of this invention is particularly useful in the production of dialkylbenzene derivatives low in the ortho-isomer.

374961

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