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Crystal structure, Hirshfeld analysis and a molecular docking study of a new inhibitor of the Hepatitis B virus (HBV): ethyl 5-methyl-1,1-dioxo- 2-{[5-(pentan-3-yl)-1,2,4-oxadiazol-3-yl]methyl}- 2H-1,2,6-thiadiazine-4-carboxylate

  • Alexandre V Ivachtchenko
  • , S.M. Kovalenko
  • , Dmitry V Kravchenko
  • , OD Mitkin
  • , VV Ivanov
  • , Thierry Langer

Publications: Contribution to journalArticlePeer Reviewed

Abstract

The title compound, C15H22N4O5S, was prepared via alkyl­ation of 3-(chloro­meth­yl)-5-(pentan-3-yl)-1,2,4-oxa­diazole in anhydrous dioxane in the presence of tri­ethyl­amine. The thia­diazine ring has an envelope conformation with the S atom displaced by 0.4883 (6) Å from the mean plane through the other five atoms. The planar 1,2,4-oxa­diazole ring is inclined to the mean plane of the thia­diazine ring by 77.45 (11)°. In the crystal, mol­ecules are linked by C—H...N hydrogen bonds, forming chains propagating along the b-axis direction. Hirshfeld surface analysis and two-dimensional fingerprint plots have been used to analyse the inter­molecular contacts present in the crystal. Mol­ecular docking studies were use to evaluate the title compound as a potential system that inter­acts effectively with the capsid of the Hepatitis B virus (HBV), supported by an experimental in vitro HBV replication model.
Original languageEnglish
Pages (from-to)12-17
Number of pages6
JournalActa Crystallographica. Section E: Crystallographic Communications
Volume76
Issue number1
Early online date27 Nov 2019
DOIs
Publication statusPublished - Jan 2020

UN SDGs

This output contributes to the following UN Sustainable Development Goals (SDGs)

  1. SDG 3 - Good Health and Well-being
    SDG 3 Good Health and Well-being

Austrian Fields of Science 2012

  • 104021 Structural chemistry

Keywords

  • 2H-1,2,6-thiadiazine 1,1-dioxide
  • DERIVATIVES
  • HBV
  • Hirshfeld surface analysis
  • crystal structure
  • hepatitis B
  • hydrogen bonding
  • molecular docking study

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