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Issue 11, 2010
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Aerobic oxidative desulfurization of benzothiophene, dibenzothiophene and 4,6-dimethyldibenzothiophene using an Anderson-type catalyst [(C18H37)2N(CH3)2]5[IMo6O24]

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Abstract

Benzothiophene (BT), dibenzothiophene (DBT) and 4,6-dimethyldibenzothiophene (4,6-DMDBT) are oxidized to their corresponding sulfones by an Anderson-type catalyst [(C18H37)2N(CH3)2]5IMo6O24 using molecular oxygen as the oxidant under mild reaction conditions. These refractory sulfur-containing compounds can be oxidized completely in the absence of any sacrificial agent. Solvents such as acetonitrile and water play a negative effect on the oxidative desulfurization system. The catalytic activities of the amphiphilic Anderson catalysts depend on the quaternary ammonium cations. The reactivity of the sulfur-containing compounds follows the order 4,6-DMDBT > DBT > BT.

Graphical abstract: Aerobic oxidative desulfurization of benzothiophene, dibenzothiophene and 4,6-dimethyldibenzothiophene using an Anderson-type catalyst [(C18H37)2N(CH3)2]5[IMo6O24]

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Publication details

The article was received on 28 Jun 2010, accepted on 26 Aug 2010 and first published on 04 Oct 2010


Article type: Paper
DOI: 10.1039/C0GC00271B
Citation: Green Chem., 2010,12, 1954-1958
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    Aerobic oxidative desulfurization of benzothiophene, dibenzothiophene and 4,6-dimethyldibenzothiophene using an Anderson-type catalyst [(C18H37)2N(CH3)2]5[IMo6O24]

    H. Lü, Y. Zhang, Z. Jiang and C. Li, Green Chem., 2010, 12, 1954
    DOI: 10.1039/C0GC00271B

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