title: 5-Furan-2yl[1,3,4]oxadiazole-2-thiol, 5-furan-2yl-4H [1,2,4] triazole-3-thiol and their thiol-thione tautomerism.
abstract: 5-Furan-2-yl[1,3,4]oxadiazole-2-thiol (Ia) and 5-furan-2-yl-4H-[1,2,4]-triazole-3-thiol (Ib) were synthesized from furan-2-carboxylic acid hydrazide. Mannich bases and methyl derivatives were then prepared. The structures of the synthesized compounds were confirmed by elemental analyses, IR and (1)H-NMR spectra. Their thiol-thione tautomeric equilibrium is described.
authors.affiliation: Department of Chemistry, Faculty of Science, Firat University, 23119, Elazig, Turkey. mkoparir@hotmail.com
authors.forename: M
authors.initials: M
authors.lastname: Koparir
authors.forename: A
authors.initials: A
authors.lastname: Cetin
authors.forename: A
authors.initials: A
authors.lastname: Cansiz
mesh_terms: D005663:Furans / Q000737:chemistry; D007536:Isomerism; D008954:Models, Biological; D010069:Oxadiazoles / Q000138:chemical synthesis / Q000737:chemistry*; D011724:Pyridazines / Q000737:chemistry; D013438:Sulfhydryl Compounds / Q000138:chemical synthesis / Q000737:chemistry*; D013871:Thiones / Q000138:chemical synthesis / Q000737:chemistry*; D014230:Triazoles / Q000138:chemical synthesis / Q000737:chemistry*
chemical_list: C526124:5-furan-2-yl(31,3,4)oxadiazole-2-thiol; C526125:5-furan-2-yl-4H(1,2,4)triazole-3-thiol; D005663:Furans; D010069:Oxadiazoles; D011724:Pyridazines; D013438:Sulfhydryl Compounds; D013871:Thiones; D014230:Triazoles; C060089:2-furoic acid