[HTML][HTML] Synthesis, structure and cytotoxic activity of new acetylenic derivatives of betulin

S Boryczka, E Bębenek, J Wietrzyk, K Kempińska… - Molecules, 2013 - mdpi.com
A new series of betulin derivatives containing one or two pharmacophores bearing an
acetylenic and carbonyl function at the C-3 and/or C-28 positions has been synthesized and …

[HTML][HTML] Ciprofloxacin and moxifloxacin could interact with SARS-CoV-2 protease: preliminary in silico analysis

K Marciniec, A Beberok, P Pęcak, S Boryczka… - Pharmacological …, 2020 - Springer
Background A large body of research has focused on fluoroquinolones. It was shown that
this class of synthetic antibiotics could possess antiviral activity as a broad range of anti-…

[HTML][HTML] Lipophilicity, pharmacokinetic properties, and molecular docking study on SARS-CoV-2 target for betulin triazole derivatives with attached 1, 4-quinone

…, K Marciniec, E Chrobak, E Bębenek, S Boryczka - Pharmaceutics, 2021 - mdpi.com
A key parameter in the design of new active compounds is lipophilicity, which influences the
solubility and permeability through membranes. Lipophilicity affects the pharmacodynamic …

[HTML][HTML] Novel triazole hybrids of betulin: Synthesis and biological activity profile

…, M Latocha, A Mertas, Z Czuba, S Boryczka - Molecules, 2017 - mdpi.com
Betulin derivatives containing a 1,2,3-triazole ring possess a wide spectrum of biological
activities, including antiviral, anticancer, and antibacterial activity. A series of novel triazoles …

[HTML][HTML] Novel triazoles of 3-acetylbetulin and betulone as anticancer agents

…, E Chrobak, M Latocha, S Boryczka - Medicinal Chemistry …, 2018 - Springer
The CuAAC reaction of azides and acetylenic triterpenes was used for synthesis of new
triazoles of 3-acetylbetulin and betulone. The triazole derivatives were evaluated for their …

Betulin-1, 4-quinone hybrids: Synthesis, anticancer activity and molecular docking study with NQO1 enzyme

…, D Kuśmierz, M Jastrzębska, S Boryczka - European Journal of …, 2019 - Elsevier
Betulin-1,4-quinone hybrids were obtain by connecting two active structures with a linker.
This strategy allows for obtaining compounds showing a high biological activity and better …

[HTML][HTML] New acetylenic derivatives of betulin and betulone, synthesis and cytotoxic activity

…, J Wietrzyk, J Sadowska, S Boryczka - Medicinal Chemistry …, 2017 - Springer
Betulin 1 and its semisynthetic derivatives exhibit a cytotoxic activity toward various cancer
cell lines. These compounds are a promising and potential anticancer candidates. A series of …

[HTML][HTML] Molecular structure, in vitro anticancer study and molecular docking of new phosphate derivatives of betulin

…, K Marciniec, M Latocha, R Wrzalik, J Kusz, S Boryczka - Molecules, 2021 - mdpi.com
A series of 30-diethylphosphate derivatives of betulin were synthesized and evaluated for
their in vitro cytotoxic activity against human cancer cell lines, such as amelanotic melanoma (…

X-ray crystal structure of betulin–DMSO solvate

S Boryczka, E Michalik, M Jastrzebska, J Kusz… - Journal of Chemical …, 2012 - Springer
Betulin is a lupane triterpenoid [lup-20(29)-ene-3β,28-diol, C 30 H 50 O 2 ] showing high
biological activity. This activity is supposed to be strongly affected by the molecular structure of …

New phosphate derivatives of betulin as anticancer agents: Synthesis, crystal structure, and molecular docking study

…, E Chodurek, P Paduszyński, S Boryczka - Bioorganic …, 2019 - Elsevier
Betulin derivatives exhibit an antiproliferative activity and have been tested for many cancer
cell lines. This paper describes a new series of 3-phosphate derivatives of betulin bearing …