Efficient oxidation of sulfides using a molybdenum(VI)–dioxo complex containing an benzimidazole ligand

Iranian Journal of Catalysis

مقاله 8، دوره 6، شماره 5، اسفند 2016، صفحه 461-466   

نوع مقاله: Articles

نویسندگان

Bozorgmehr Maddah^* ؛ Arash Sarabi Tabrizi

Department of Chemistry, Imam Hossein University, Tehran, Iran

چکیده

For the first time, dioxomolybdenum(VI) complex with the general formula [MoO₂L₂] containing a N-O bidentate ligands (HL=2-(o-aminophenyl)- benzimidazole) has been used for the oxidation of sulfides. Elemental analyses (carbon, hydrogen, nitrogen), FT-IR and Uv-Visble spectra and ¹HNMR analysis agree well with the proposed stoicheiometry of the complex [MoO₂L₂].  A variety of sulfides were smoothly converted into the corresponding sulfoxide catalyzed by this molybdenum complex. The effect of the reaction conditions on the oxidation was studied by varying the amount of the catalyst, the amount of oxidant (UHP) and solvent type. Good yields with excellent selectivities were obtained in most cases.

کلیدواژه‌ها

Dioxomolybdenum(VI) complex؛ oxidation؛ Sulfide؛ UHP

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