Preparation of S-brom-dithiophosphoric, dithiophosphonic and dit

Details Preparation of S-brom-dithiophosphoric, dithiophosphonic and dit Preparation of S-brom-dithiophosphoric, dithiophosphonic and dit

1982-10-08

1984-09-11

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

564 12, 568 14, C07F 9165, C07F 928

Patent

active

044709331

ABSTRACT:
A compound of the formula ##STR1## in which R.sup.1 and R.sup.2 each independently is an optionally substituted alkyl, aralkyl, aryl, alkoxy, aryloxy, aralkoxy, alkylthio, arylthio, aralkylthio, alkylamino, arylamino or aralkylamino radical,
is produced by reacting a compound of the formula ##STR2## in which X is hydrogen, an alkali metal ion, an optionally alkyl- ,aralkyl- and/or aryl-substituted ammonium radical, a trialkylsilyl radical, or ##STR3## with bromine in the presence of an inert diluent at a temperature from about -50.degree. to 20.degree. C.
The product can be employed as a flame retardant, a vulcanizing accelerator and/or an intermediate for synthesizing pesticides.

REFERENCES:
Michalski et al., "Chem. & Ind.", No. 37, (1958), pp. 1199-1200.
Chemical Abstracts, vol. 52, p. 6156.

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