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Synlett 2013; 24(11): 1405-1409
DOI: 10.1055/s-0033-1338859
DOI: 10.1055/s-0033-1338859
letter
Selenium-Doped TiO2 as an Efficient Photocatalyst for the Oxidation of Tetrahydrofuran to γ-Butyrolactone Using Hydrogen Peroxide as Oxidant
Further Information
Publication History
Received: 08 January 2013
Accepted after revision: 25 April 2013
Publication Date:
06 June 2013 (online)
Abstract
Selenium-doped TiO2 has been used for the first time as efficient photocatalyst for the oxidation of tetrahydrofuran by using hydrogen peroxide as oxidant, affording γ-butyrolactone (GBL) in excellent yield with higher selectivity. TiO2-doped with selenium showed greater visible absorption and exhibited superior photocatalytic activity than undoped TiO2. The prepared catalyst was subjected to reflux in Millipore water in order to remove the surface-bound selenium species. After this treatment, the catalyst did not show any leaching and showed efficient recycling with consistent catalytic efficiency.
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