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.
通过在惰性稀释剂存在下,在温度从大约-50度到20度C下,将具有如下结构的化合物##STR2##与
溴反应,其中X为氢、碱
金属离子、可选的烷基、芳基烷基和/或芳基取代的
铵基、三烷基
硅基或##STR3##,可以制得具有如下结构的化合物##STR1##,其中R.sup.1和R.sup.2各自独立地是可选取代的烷基、芳基烷基、芳基、烷氧基、芳氧基、芳基烷氧基、烷基
硫基、芳基
硫基、芳基烷
硫基、烷基
氨基、芳基
氨基或芳基烷
氨基基团。该产物可用作阻燃剂、
硫化
促进剂和/或合成
杀虫剂的中间体。