Synthesis, structure and cytotoxicity of novel tetrazolo[1’,5’-c]-fused 3-aza-A-homosteroids

Evgenii I. Rodionov, Alina A. Rodionova, Alla D. Zorina, Olesya V. Khoroshilova, Vitalii V. Suslonov, Elizaveta V. Lider, Yuliya A. Golubeva, Lyubov S. Klyushova, Yuri B. Porozov, Nikolay N. Kuzmich, Rostislav E. Trifonov*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

Abstract

A series of new 1’H-tetrazolo[1’,5’-c]-fused 3-aza-A- homosteroids were synthesized by azidation of progesterone, testosterone and hydrocortisone acetate in the presence of silicon tetrachloride. According to NMR spectroscopy and X-ray analysis, two double bond positional isomers (double bond in ring A or in ring B) are formed in various ratios; according to quantum chemical calculations, their energies are close within 0.4 kcal mol-1. Only low cytotoxic activity against Hep-2, MCF-7, HepG2, and Hek293 cell lines was determined in vitro for the compounds obtained.

Original languageEnglish
Pages (from-to)505-508
Number of pages4
JournalMendeleev Communications
Volume34
Issue number4
DOIs
StatePublished - 1 Jul 2024

Bibliographical note

Publisher Copyright:
© 2024

Keywords

  • aza-A-homosteroids
  • azidation
  • cytotoxicity
  • isomerism
  • M06-2X and MP2 calculations
  • steroids
  • tetrazoles
  • X-ray structures

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