Chemistry of Heterocyclic Compounds

, Volume 46, Issue 9, pp 1063–1067 | Cite as

Investigation of the mechanism of catalytic recyclization of furan to thiophene

  • A. V. MashkinaEmail author

Investigation of the formation of thiophene from furan and hydrogen sulfide at various catalysts showed that the activity of the catalysts increases with increase in the strength and concentration of Lewis acid centers. It was found by IR spectroscopy that if the degree of coverage of the aluminum oxide surface with hydrogen sulfide is higher than monolayer its dissociative chemisorption does not occur. Mechanism was postulated wich assume that the reaction takes place through stage with the formation of a surface intermediate, including coordination of the α-carbon atoms of the furan ring with the Lewis acid center and with the sulfur atom of molecular hydrogen sulfide.


hydrogen sulfide thiophene furan catalysts adsorption 


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Copyright information

© Springer Science+Business Media, Inc. 2010

Authors and Affiliations

  1. 1.G. K. Boreskov Institute of CatalysisSiberian Branch of the Russian Academy of SciencesNovosibirskRussia

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