Halo-(carbonyldioxyaryl)ethylenes

Details Halo-(carbonyldioxyaryl)ethylenes Halo-(carbonyldioxyaryl)ethylenes

1980-12-03

1982-05-11

Milestone, Norma S.

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

568726, 568722, 549240, 549246, C07D31746

Patent

active

043292879

ABSTRACT:
Halo-(carbonyldioxyaryl)ethylenes are prepared by a catalytic process which comprises contacting a halo-bis(hydroxyaryl)ethylene, carbon monoxide, an oxidant, a base, and a Group VIIIB element selected from ruthenium, rhodium, palladium, osmium, iridium or platinum. The resulting halo-(carbonyldioxyaryl)-ethylenes are useful as flame retardents for thermoplastic polymeric materials.

REFERENCES:
patent: 4097538 (1978-06-01), Factor et al.

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