Process for the preparation of tribromotetramethylbiphenol and r

Details Process for the preparation of tribromotetramethylbiphenol and r Process for the preparation of tribromotetramethylbiphenol and r

1986-02-20

1987-03-31

Lone, Werren B.

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

Organic compounds

Oxygen containing

568723, 568726, C07C 3912

Patent

active

046544470

ABSTRACT:
Prepare 3,3',5-tribromo-2,2',6,6'-tetra(primary alkyl)-1,1'-biphenol in high yields by contacting a 3,3',5,5'-tetra-substituted diphenoquinone and a brominating agent under proper reaction conditions.

REFERENCES:
patent: 3929908 (1975-12-01), Orlando et al.
patent: 3956403 (1976-11-01), Orlando et al.
patent: 4058570 (1977-11-01), Kinson et al.
JFF/Fire Retardant Chemistry, v. 2, pp. 183-193 (1975).
P. L. Kinson et al., Journal of Applied Polymer Science, v. 23, pp. 155-162 (1979).

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