Heptabromodibenzofuran, highly brominated dibenzofurans and the

Details Heptabromodibenzofuran, highly brominated dibenzofurans and the Heptabromodibenzofuran, highly brominated dibenzofurans and the

1976-07-29

1978-09-05

Cockeram, H.S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

26034671, C08K 515, C07D30779

Patent

active

041119029

ABSTRACT:
Brominated dibenzofuran of the formula ##STR1## WHEREIN X + Y = 6.0 TO 7.0 AND Y = 0 TO 0.3. The brominated dibenzofuran can be prepared by reaction of bromine and dibenzofuran at 0.degree. and 150.degree. C in the presence of halogenation catalyst. The products are useful as flameproofing agents for organic polymers, e.g. polyethylene.

REFERENCES:
patent: 3935251 (1976-01-01), Dazzi et al.
DOS 2513779 (Ube Industries, Japan), 9/10/1975.
Buser, Jour. Chromatography, vol. 107 (1975), pp. 295-310.

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