2-Phenylthiophene → 2-Phenyl-5-(phenylthio)thiophene

참여 물질

반응 단계

In a 500 ml flask were placed 36.9 g (0.23 mole) of 2-phenylthiophene, 200 ml of reagent carbon tetrachloride, 36.9 g (0.26 mole) of benzenesulfenyl chloride and 0.2 g of iron powder. The reaction mixture was allowed to stand four days at room temperature. Distillation of the carbon tetrachloride gave a crystalline residue which was recrystallized first from ethanol-ethyl acetate (9:1) and then from ethyl acetate-pentane (1:9) to give 10.6 g (17%) of 2-phenyl-5-(phenylthio)thiophene, m.p. 72.5°-74.5° C.

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