3,3-oxy-bis{[2,2'-di(bromomethyl)]}propanoic acid derivatives

Details 3,3-oxy-bis{[2,2'-di(bromomethyl)]}propanoic acid derivatives 3,3-oxy-bis{[2,2'-di(bromomethyl)]}propanoic acid derivatives

1988-12-27

1990-02-06

Hoke, Veronica P.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Processes of preparing a desired or intentional composition...

524288, 524307, 524319, 560180, 562583, 564158, 564159, C07C103727, C07C103147, C07C 59315, C07C 69708, C08K 520, C08K 511, C08K 509

Patent

active

048989002

ABSTRACT:
Novel derivatives of 3,3'-oxy-bis{[2,2'-di(bromomethyl)]propanoic acid}of formula (1) ##STR1## in which Y represents OR, chlorine or NH--R and wherein R represents hydrogen or an alkyl, aralkyl or aryl group, in which the alkyl, aryl and aralkyl groups are unsubstituted or substituted with 1 to 5 bromine atoms, are described.
The novel derivatives of the invention have improved thermal properties and a high content of bromine, and are particularly suitable as flame-retardant agents. Methods of preparation of these novel compounds are described.

REFERENCES:
patent: 3196175 (1965-07-01), Wakasa et al.
patent: 3607953 (1971-09-01), Hurley
patent: 3700625 (1972-10-01), Brady et al.
patent: 3864306 (1975-02-01), Dieckmann
patent: 3872155 (1975-03-01), Dieckmann
patent: 4001182 (1977-01-01), Murtha et al.
patent: 4725638 (1988-02-01), Ellmann et al.

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