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Slivka MV, Holovko-Kamoshenkova OM, Hrdina R, Baumer VN, Korol NI, Sokolenko LV, Lendel VG. An Efficient Catalyst-Free Direct Approach to 5-Polyfluoroalkyl-1,2,4-triazole-3-thiones. SYNTHESIS-STUTTGART 2023. [DOI: 10.1055/s-0042-1751401] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
AbstractAn easy to handle high-efficient approach to 5-polyfluoroalkyl-1,2,4-triazole-3-thiones (11 examples, up to 91% yield) is reported. The tautomerism of thione and thiol forms for the obtained products is discussed. A one step procedure for 6,6-dimethyl-3-(trifluoromethyl)-5,6-dihydro[1,3]thiazolo[2,3-c][1,2,4]triazole formation from trifluoroacetic acid and 4-methallylthiosemicarbazide has been developed. The structures of the products were unambiguously determined by complex NMR investigation and by single crystal X-ray diffraction.
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Affiliation(s)
- Mikhailo V. Slivka
- Uzhhorod National University, Faculty of Chemistry, Department of Organic Chemistry
| | - Oksana M. Holovko-Kamoshenkova
- Uzhhorod National University, Faculty of Chemistry, Department of Organic Chemistry
- Charles University, Faculty of Science, Department of Organic Chemistry
| | - Radim Hrdina
- Charles University, Faculty of Science, Department of Organic Chemistry
| | | | - Nataliya I. Korol
- Uzhhorod National University, Faculty of Chemistry, Department of Organic Chemistry
| | | | - Vasil G. Lendel
- Uzhhorod National University, Faculty of Chemistry, Department of Organic Chemistry
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Efficient synthesis of tri- and difluoroacetyl hydrazides as useful building blocks for non-symmetrically substituted, fluoroalkylated 1,3,4-oxadiazoles. Chem Heterocycl Compd (N Y) 2016. [DOI: 10.1007/s10593-016-1845-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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Slepukhin PA, Bazhenova LN, Letova EB, Filyakova VI. X-ray crystallographic study of 2-morpholino-5-trifluoromethyl-1,3,4-thiadiazole. J STRUCT CHEM+ 2016. [DOI: 10.1134/s0022476615070252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Affiliation(s)
- Mohamed A. Metwally
- a Department of Chemistry, Faculty of Science , Mansoura University , Mansoura, Egypt
| | - Samir Bondock
- a Department of Chemistry, Faculty of Science , Mansoura University , Mansoura, Egypt
| | - Hossam El-Azap
- a Department of Chemistry, Faculty of Science , Mansoura University , Mansoura, Egypt
| | - Ez-Eldin M. Kandeel
- a Department of Chemistry, Faculty of Science , Mansoura University , Mansoura, Egypt
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