1369729 Bisphenolsulphides CIBA-GEIGY AG 19 Dec 1972 [21 Dec 1971] 58657/72 Heading C2C [Also in Division C3] Bisphenol sulphides of formula where x is 1 to 4, may be prepared by reacting 2,6-dimethyl-4-mercaptophenol with iodine or by reacting 2,6-dimethylphenol with sulphur monochloride and sulphur. In examples: (1) bis-(3,5-dimethyl-4-hydroxyphenyl) disulphide is prepared by reacting the mercaptophenol with iodine, (2) a mixture of mono-, di- and trisulphides are prepared by reacting the dimethylphenol with sulphur monochloride and sulphur, and (3) the trisulphide is recovered by recrystallizing the product of (2) twice from acetone.
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机译:1369729双酚硫化物CIBA-GEIGY AG 1972年12月19日[1971年12月21日]标题C2C [Also in Division C3]式中x为1-4的双酚硫化物可通过使2,6-二甲基-4-巯基苯酚反应制得与碘或使2,6-二甲基苯酚与一氯化硫和硫反应。在实施例中:(1)通过使巯基苯酚与碘反应制备双-(3,5-二甲基-4-羟基苯基)二硫化物,(2)通过使二甲基苯酚与硫反应制备单,二和三硫化物的混合物一氯化物和硫磺,以及(3)三硫化物,是通过将(2)的产物从丙酮中重结晶两次而回收的。
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