Solvent- and functional-group-assisted tautomerism of 3-alkyl substituted 5-(2-pyridyl)-1,2,4-triazoles in DMSO–water

García-López, Jesús; Khomenko, Dmytro M.; Zakharchenko, Borys V.; Doroshchuk, Roman O.; Starova, Viktoriia S.; Iglesias, María José; Lampeka, Rostyslav D.; López-Ortiz, Fernando

doi:10.1039/d3ob01651j

Org. Biomol. Chem.

2023

DOI: 10.1039/d3ob01651j

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Solvent- and functional-group-assisted tautomerism of 3-alkyl substituted 5-(2-pyridyl)-1,2,4-triazoles in DMSO–water

Jesús García-López,

Dmytro M. Khomenko,

Borys V. Zakharchenko

et al.

Abstract: The tautomerism of a series of 5-alkyl substituted 3-(2-pyrіdyl)-1,2,4-triazoles in DMSO-d6 containing water has been investigated by 1H, 13C and 15N NMR spectroscopy. The populations of the three possible regioisomers...

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2024

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Structure and Peculiarities of ¹H NMR‐Spectra of Palladium(II) Complexes with 3‐(2‐pyridyl)‐5‐Alkyl‐1,2,4‐triazoles

Ivanova,

Khomenko,

Doroshchuk

et al. 2024

ChemistrySelect

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A series of chelating N N proligands, 3‐(2‐pyridyl)‐5‐alkyl‐1,2,4‐triazoles (HLAlk), where alkyl=methyl, ethyl, isopropyl, cyclopropyl, cyclobutyl, cyclopentyl, cyclohexyl was used as building blocks for designing of coordination compounds. Their reaction with an equimolar amount of [PdCl2(CH3CN)2] led to formation of series of six novel palladium complexes [Pd(HLAlk)Cl2], in which ligands are coordinated in the acid form. New proligands and Pd(II) complexes were characterized by IR, 1H and 13C NMR spectroscopy and elemental analysis. The Pd(II) complexes showed an unusual downfield shift in 1H NMR of the aliphatic proton that is the closest to triazole ring, which suggests the C−H…Cl hydrogen bonding, supported by X‐ray data for Pd(HLc−Pr)Cl2 and Pd(HLc−Bu)Cl2.

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Structure and Peculiarities of ¹H NMR‐Spectra of Palladium(II) Complexes with 3‐(2‐pyridyl)‐5‐Alkyl‐1,2,4‐triazoles

Ivanova,

Khomenko,

Doroshchuk

et al. 2024

ChemistrySelect

View full text Add to dashboard Cite

show abstract

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Solvent- and functional-group-assisted tautomerism of 3-alkyl substituted 5-(2-pyridyl)-1,2,4-triazoles in DMSO–water

Abstract: The tautomerism of a series of 5-alkyl substituted 3-(2-pyrіdyl)-1,2,4-triazoles in DMSO-d6 containing water has been investigated by 1H, 13C and 15N NMR spectroscopy. The populations of the three possible regioisomers...

Cited by 1 publication

References 103 publications

Structure and Peculiarities of ¹H NMR‐Spectra of Palladium(II) Complexes with 3‐(2‐pyridyl)‐5‐Alkyl‐1,2,4‐triazoles

Structure and Peculiarities of ¹H NMR‐Spectra of Palladium(II) Complexes with 3‐(2‐pyridyl)‐5‐Alkyl‐1,2,4‐triazoles

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Solvent- and functional-group-assisted tautomerism of 3-alkyl substituted 5-(2-pyridyl)-1,2,4-triazoles in DMSO–water

Abstract: The tautomerism of a series of 5-alkyl substituted 3-(2-pyrіdyl)-1,2,4-triazoles in DMSO-d6 containing water has been investigated by 1H, 13C and 15N NMR spectroscopy. The populations of the three possible regioisomers...

Cited by 1 publication

References 103 publications

Structure and Peculiarities of 1H NMR‐Spectra of Palladium(II) Complexes with 3‐(2‐pyridyl)‐5‐Alkyl‐1,2,4‐triazoles

Structure and Peculiarities of 1H NMR‐Spectra of Palladium(II) Complexes with 3‐(2‐pyridyl)‐5‐Alkyl‐1,2,4‐triazoles

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Structure and Peculiarities of ¹H NMR‐Spectra of Palladium(II) Complexes with 3‐(2‐pyridyl)‐5‐Alkyl‐1,2,4‐triazoles

Structure and Peculiarities of ¹H NMR‐Spectra of Palladium(II) Complexes with 3‐(2‐pyridyl)‐5‐Alkyl‐1,2,4‐triazoles