Arylsulfonic acid bromophenyl esters, their preparation, and the

Details Arylsulfonic acid bromophenyl esters, their preparation, and the Arylsulfonic acid bromophenyl esters, their preparation, and the

1978-10-02

1981-01-20

Reamer, James H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

568637, 568776, 568 72G, 260 4575, 260 4575B, C07C14368

Patent

active

042461880

ABSTRACT:
Aryl sulfonic acid esters of the formula ##STR1## wherein R.sup.1 represents hydrogen, alkyl groups of 1 to 8 carbon atoms, bromine or chlorine, R.sup.2 represents R.sup.1 or the group ##STR2## Hal represents bromine or chlorine, x the numbers 2 to 4, n the numbers 3 to 5, y the numbers 4-x; m=5-n, R.sup.3 represents bromine, chlorine or the group ##STR3## and Z represents --O--, --S--, ##STR4## alkylene with 1 to 4 carbon atoms, or alkylidene; a process for their product and their use as a flame retardant, especially for polyolefins.

REFERENCES:
patent: 2678878 (1954-05-01), Stewart
patent: 2949482 (1960-08-01), Sims et al.
patent: 3472896 (1969-10-01), Seki et al.
patent: 4022812 (1977-05-01), Regeoud et al.
Takenabu et al., Chem. Abst., vol. 66, #65223g (1967).
Smith et al., Chem. Abst., vol. 62 #14572c (1965).
Slagh et al., J.A.C.S., vol. 72, p. 2801 (1950).

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