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

1986-12-12

1988-03-29

Evans, J. E.

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

Organic compounds

Halogen containing

570141, 585409, C07C 1726, C07C 2518, C07C 132, C07C 1328

Patent

active

047345330

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 ketone of the formula:

REFERENCES:
patent: 3198844 (1965-08-01), Errede et al.
patent: 3349142 (1967-10-01), Yeh
patent: 4532369 (1985-07-01), Hartner

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