Structural and Chemical Analysis of Organic and Inorganic Compounds Open access Peer reviewed

2-[(4-Amino-4H-1,2,4-triazol-3-yl)sulfanyl]-1-[4-(4-chlorophenyl)piperazin-1-yl]ethan-1-one

Wiktoria Drzał, Jarosław Sobstyl, Nazar Trotsko

Molbank | Oct 20, 2026

Abstract

Abstract

A new hybrid heterocyclic compound, 2-[(4-amino-4H-1,2,4-triazol-3-yl)sulfanyl]-1-[4-(4-chlorophenyl)piperazin-1-yl]ethan-1-one (3), was synthesized by the reaction of 4-amino-4H-1,2,4-triazole-3-thione with 2-chloro-1-[4-(4-chlorophenyl)piperazin-1-yl]ethan-1-one under alkaline conditions. The target compound was obtained in a 63% yield and purified by recrystallization from butanol. Its structure was confirmed by elemental analysis, FT-IR spectroscopy, 1H and 13C NMR spectroscopy, DEPT-135, and 2D NMR (COSY, NOESY, HSQC, HMBC). The spectroscopic data were fully consistent with the proposed molecular structure. The synthesized molecule combines two pharmacologically relevant structural motifs, namely a 4-amino-1,2,4-triazole fragment and a 4-(4-chlorophenyl)piperazine moiety, connected through a sulfur-containing linker. The physicochemical characteristics and analytical data of the title compound are reported.

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Authors

Researchers on this paper

Wiktoria Drzał

first | Medical University of Lublin

Jarosław Sobstyl

middle | Medical University of Lublin

Nazar Trotsko

last | Medical University of Lublin | ORCID 0000-0002-8817-7470

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Citation

BibTeX

@article{Drza2026Amino,
  title = {2-[(4-Amino-4H-1,2,4-triazol-3-yl)sulfanyl]-1-[4-(4-chlorophenyl)piperazin-1-yl]ethan-1-one},
  author = {Wiktoria Drzał and Jarosław Sobstyl and Nazar Trotsko},
  journal = {Molbank},
  year = {2026},
  doi = {10.3390/m2246},
  url = {https://doi.org/10.3390/m2246}
}

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