Process for the preparation of (2,2)-paracyclophane and derivati

Details Process for the preparation of (2,2)-paracyclophane and derivati Process for the preparation of (2,2)-paracyclophane and derivati

1987-06-26

1989-01-03

Lone, Werren B.

Organic compounds -- part of the class 532-570 series

Organic compounds

Halogen containing

570183, C07C 2124, C07C 2518

Patent

active

047958383

ABSTRACT:
Process for the preparation of (2,2)-paracyclophane or derivatives thereof by the Hofmann elimination of p-methylbenzyltrimethylammonium hydroxide or derivatives thereof, in an aqueous solution of an alkali metal hydroxide, wherein said elimination is carried out in the presence of a dialkylether of mono- and poly-ethylene glycols having the formula:

REFERENCES:
patent: 3221068 (1965-11-01), Gorham
patent: 3349142 (1967-10-01), Yeh
patent: 4532369 (1985-07-01), Hartner
Reich et al, "J. Amer. Chem. Soc.", vol. 91(13), Jun. 1969, pp. 3534-3543.
Reich et al, "J. Amer. Chem. Soc.", vol. 91(13), Jun. 1969, pp. 3527-3532.

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