Process for preparing dimethynaphthalene

Details Process for preparing dimethynaphthalene Process for preparing dimethynaphthalene

C - Chemistry, Metallurgy

07

C

260/685.2

C07C 2/66 (2006.01) C07C 5/41 (2006.01) C07C 15/24 (2006.01)

Patent

CA 2036827

F-5721 ABSTRACT In a process for producing 2,6-dimethylnaphthalene an alkylaromatic compound, e.g. toluene, is alkylated with a C5 olefin alkylating agent, e.g. 1-pentene, in the presence of a zeolite alkylation catalyst having a Constraint Index not greater than 5, and the resulting alkylate is dehydrocyclized with a dehydrocyclization catalyst to generate a dimethylnaphthalene product rich in the 2,6-isomer.

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