Process for separating 2,6-dimethylnaphthalene

Details Process for separating 2,6-dimethylnaphthalene Process for separating 2,6-dimethylnaphthalene

1989-06-13

1991-10-22

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Purification, separation, or recovery

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

585833, 585863, 585865, C07C 7152

Patent

active

050597426

ABSTRACT:
A process for separating 2,6-dimethylnaphthalene form a 2,6-dimethylnaphthalene-containing mixture which comprises mixing said mixture with 2,4,7-trinitro-9-fluorenone to thereby form a complex, separating a solid matter containing said complex and decomposing the solid matter containing the same to thereby separate and collect an oil rich in the 2,6-dimethylnaphthalene. According to this process, 2,6-dimethylnaphthalene can be readily separated at a high selectivity. Further, the 2,4,7-trinitro-9-fluorenone can be readily recovered and reused as such.

REFERENCES:
patent: 3670039 (1972-06-01), Davis
patent: 3870745 (1975-03-01), Angstadt
patent: 3936509 (1976-02-01), Nagahama et al.
A. R. Cooper et al, "Gas-Liquid Chromatographic Studies of Electron-Donor-Acceptor Systems", Trans. Faraday Soc. 1967, vol. 63.

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