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ChemicalBook CAS DataBase List ETHYLENE DI(THIOTOSYLATE)
2225-23-2

ETHYLENE DI(THIOTOSYLATE) synthesis

2synthesis methods
Treatment of potassium thiotosylate, itself made by the reaction of p-Toluenesulfonyl Chloride with Potassium Hydrogen Sulfide, with 1,3-dibromopropane or 1,2-dibromoethane in the presence of Potassium Iodide affords 1,3-propanedithiol bis(p-toluenesulfonate) and 1,2-ethanedithiol bis(p-toluenesulfonate), respectively.
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Yield:2225-23-2 98%

Reaction Conditions:

Stage #1: sodium 4-methylbenzenesulfinatewith pyridine;sulfur for 48 h;
Stage #2: in water at 20; for 18 h;
Stage #3: ethylene dibromide in toluene; for 20 h;Heating;Further stages.;

References:

Deguest, Geoffrey;Bischoff, Laurent;Fruit, Corinne;Marsais, Francis [Synthetic Communications,2008,vol. 38,# 6,p. 841 - 847]

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