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The oxidation of terminal alkenes was smoothly catalyzed by a recyclable and environmentally friendly catalytic system: [(C18H37)2N(CH3)2]3[PW4O16]/H2O2/formic acid. This new catalytic system is not only capable of catalyzing oxidation of terminal alkenes with a phase-transfer character, but also under solvent-free conditions, avoiding the use of chlorinated solvents. Many different kinds of terminal alkenes could be converted to the corresponding 1,2-diols of high purity in high yields. The catalyst could be easily separated and reused after reaction. Both fresh and used [(C18H37)2N(CH3)2]3[PW4O16] catalyst was characterized by Raman and FTIR.
The oxidation of terminal alkenes was been catalyzed by a recyclable and environmentally friendly catalytic system: [(C18H37) 2N (CH3) 2] 3 [PW4O16] / H2O2 / formic acid. This new catalytic system is not only capable of catalyzing oxidation of terminal many different kinds of terminal alkenes could be converted to the corresponding 1,2-diols of high purity in high yields. The catalyst could Both fresh and used [(C18H37) 2N (CH3) 2] 3 [PW4O16] catalyst were characterized by Raman and FTIR.