Process for the preparation of [2,2]-paracyclophane

Details Process for the preparation of [2,2]-paracyclophane Process for the preparation of [2,2]-paracyclophane

1983-10-28

1985-07-30

Gantz, D. E.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire cyclic molecules or entire...

585469, C07C 272, C07C 100

Patent

active

045323690

ABSTRACT:
A process for the preparation of [2,2]-paracyclophane comprises contacting aqueous p-methylbenzyltrimethylammonium hydroxide with sodium hydroxide or potassium hydroxide, in the presence of dimethyl sulfoxide, and preferably in the further presence of an inert water-immiscible organic solvent.

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patent: 3412167 (1968-11-01), Lewis
H. E. Winberg, F. S. Fawcett, W. E. Michel and C. W. Theobald, J. Am. Chem. Soc., 82, 1428 (1960).
Chem. Abstracts, 15353(a), 1960.
Yoshihiko Ito, Satoru Miyata, Masashi Natsuka, Takeo Saegusa, J. of Organic Chemistry, 46, 1043-1044 (1981).
L. A. Enede, R. S. Gregorian and John M. Hayt, J. of Am. Chem. Soc., 82, 5218 (1960).

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