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Cyclopentadienyl-Based Anticancer Drugs: Improvement of Cytotoxic Activity through Functionalisation of the pi Ligand
Authors: Absolonová Monika | Melounková Lucie | Vinklárek Jaromír | Honzíček Jan | Dostál Libor | Mrózek Ondřej
Year: 2021
Type of publication: článek v odborném periodiku
Name of source: ChemMedChem
Publisher name: Wiley-VCH
Place: Weinheim
Page from-to: 1804-1812
Titles:
Language Name Abstract Keywords
cze Cyklopentadienylová antitumorová léčiva: zvýšení aktivity funkcionalizací pi ligandu Cyklopentadienylové komplexy molybdenu jsou široce studovány jako potenciální alternativa současně používaných léčiv, která často vykazují nežádoucí vedlejší účinky. V rámci této studie byly syntetizovány a testovány sloučeniny s modifikovanými NN chelatujícími ligandy. Tyto sloučeniny vykazovaly zvýenou aktivitu vůči leukemickým buňkám. antutimorová léčiva; cyplopentadienylový ligand
eng Cyclopentadienyl-Based Anticancer Drugs: Improvement of Cytotoxic Activity through Functionalisation of the pi Ligand Cytotoxic complexes containing molybdenum are widely studied as a potential substitution for commercially used drugs that often suffer from pronounced side effects and cellular resistance. Compounds of the type [(eta(5)-Cp ')Mo(CO)(2)(L-N,L-N)][BF4], where Cp is cyclopentadienyl and L-N,L-N is a bidentate ligand, are well known for their strong anticancer activity. It is a generally accepted paradigm that the nature of the coordinated L-N,L-N ligand has a major impact on the cytotoxicity. In this study, a series of new functionalised Cp complexes of molybdenum was synthesised from derivatised fulvenes as pi-ligand precursors. Indeed, the coordination sphere's modulation by various N,N-chelating ligands afforded species active toward leukemic cell line MOLT-4 with IC50 values depending on the character of the N,N-chelator used. However, following study clearly showed that functionalisation of the Cp ring with an amine moiety considerably improved cytotoxicity. These results are of crucial importance for the future design of highly active cytotoxic drugs, as modification of cyclopentadienyl is believed to have a minor effect on biological activity. antitumor agents; cyclopentadienyl ligand; cytotoxicity; fulvene; MOLT-4

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