Preparation of 2,6-dialkyl-naphthalenes

Details Preparation of 2,6-dialkyl-naphthalenes Preparation of 2,6-dialkyl-naphthalenes

1988-02-02

1989-01-03

Garvin, Patrick P.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

502 60, C07C 268

Patent

active

047958472

ABSTRACT:
A process for the preparation of 2,6-dialkyl-naphthalenes comprising selectively alkylating naphthalene or 2-alkyl-naphthalene with alkylating agent in the presence of a zeolite catalyst at 250.degree. to 345.degree. C. which dialkyl-naphthalenes are useful for the preparation of naphthalene 2,6-dicarboxylic acid used to produce high-quality polyesters or polyamides.

REFERENCES:
patent: 3525775 (1970-08-01), Bolton et al.
patent: 4375573 (1983-03-01), Young
patent: 4482774 (1984-11-01), Koetsier
patent: 4508836 (1985-04-01), Haag et al.

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