Process for separating alkyl-substituted naphthalene derivatives

Details Process for separating alkyl-substituted naphthalene derivatives Process for separating alkyl-substituted naphthalene derivatives

1989-09-07

1990-10-09

Caldarola, Glenn

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

By addition of extraneous agent, e.g., solvent, etc.

585864, 585867, C07C 7152

Patent

active

049622749

ABSTRACT:
A process for the separation of an alkyl-substituted naphthalene from a mixture containing the desired alkyl-substituted naphthalene and at least one isomer thereof comprises placing 9,9'-bianthracene in contact with the mixture to form a clathrate complex of the formula ##STR1## wherein A represents 2-methylnaphthalene, 2-isopropyl-naphthalene of 2,6-diisopropylnaphthalene, collecting the clathrate complex by filtration, subjecting the clathrate complex to thermal decomposition, and then recovering the alkyl-substituted naphthalene derivative.

REFERENCES:
patent: 3670039 (1972-06-01), Davis
patent: 3870745 (1975-03-01), Angstadt
patent: 3936509 (1976-02-01), Nagahama et al.

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