Method of preparing oligomeric brominous xylylene bisphenol ethe

Details Method of preparing oligomeric brominous xylylene bisphenol ethe Method of preparing oligomeric brominous xylylene bisphenol ethe

1980-07-11

1983-02-01

Helfin, Bernard

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

Organic compounds

Sulfur containing

568641, 568643, 252609, C07C14800, C07C 4116

Patent

active

043717098

ABSTRACT:
An improved process for the preparation of oligomeric bromine containing xylylene bisphenol ethers is described wherein xylylene dichlorides and/or dibromides are reacted with bisphenols at 85.degree. to 160.degree. C. in the presence of an alkaline compound or employing the bisphenol in the form of an alkali salt wherein the reaction is conducted employing a ketone as solvent.

REFERENCES:
patent: 3205198 (1965-09-01), Deanin et al.
patent: 3810867 (1974-05-01), Anderson
patent: 3862990 (1975-01-01), Newton et al.
patent: 4220805 (1980-09-01), Carnahan

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