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  • Chem Sci Trans., 2012, 1(2),  pp 341-346  

    DOI:10.7598/cst2012.4585

    Research Article

    Fe(HSO4)3 Supported on Nano-TiO2 : An Efficient Heterogeneous Catalyst for Intramolecular Cyclization of 3-Propaygylmercapto Triazoles to 6-Methyl-thiazolo[3,2-B][1,2,4]triazoles

  • MEHDI BAKAVOLIa, VAHID R. HEDAYATIa*, MAJID M. HERAVIb, ABOLGHASEM DAVOODNIAa and HOSSEIN ESHGHIc
  • aDepartment of Chemistry, Islamic Azad University Mashhad Branch, Mashhad, Iran
    bDepartment of Chemistry, School of Sciences, Azzahra University, Tehran, Iran
    cDepartment of Chemistry, Ferdowsi University of Mashhad, Mashhad, Iran
  • Abstract

    Intramolecular cyclization of 3-propargylmercapto-1,2,4-triazole derivatives (2) to their corresponding 6-methyl thiazolo[3,2-b][1,2,4]triazoles (3) was affected in the presence of nano catalyst, Fe(HSO4)3/TiO2 as solid acid in high yields.

    Keywords

    Intramolecular cyclization, 3-Propargylmercapto-triazoles, Nano catalyst, Ferric hydrogen sulfate

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