Study of Oxidative Desulfurization of Thiophene by Phase Transfer Catalysis

Chem. J. Chinese Universities

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Study of Oxidative Desulfurization of Thiophene by Phase Transfer Catalysis

ZHAO Di-Shun*, REN Hong-Wei, LI Le

College of Chemistry and Pharmaceutical Engineering, Hebei University of Science and Technology, Shijiazhuang 050018, China

Received:2006-05-30 Revised:1900-01-01 Online:2007-04-10 Published:2007-04-10
Contact: ZHAO Di-Shun

Abstract

Abstract: As the oxidative desulfurization by phase transfer catalysis tallies with the principle of Starks, the cycling model of oxidative desulfurization of thiophene by phase transfer catalysis was developed. The essencial processe was the transportation of active component from water phase to organic phase. The extraction constant of Q⁺, nucleophilicity of X^-, and r(Q⁺) were calculated to investigate the process of oxidative desulfurization of thiophene. When thiophene was oxidized by peroxyformic acid with TBAB as the phase transfer catalyst, the desulfurization rate was up to 86.36%. From the kinetics study, it was shown that the reaction was first-order reaction.

Key words: Thiophene, Phase transfer catalysis, Oxidatitive desulfurization, Kinetics

CLC Number:

O643.12

TrendMD:

ZHAO Di-Shun*, REN Hong-Wei, LI Le

. Study of Oxidative Desulfurization of Thiophene by Phase Transfer Catalysis[J]. Chem. J. Chinese Universities, doi: .

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Study of Oxidative Desulfurization of Thiophene by Phase Transfer Catalysis

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