Article Dans Une Revue ChemMedChem Année : 2011

B-Ring-Modified isoCombretastatin A-4 Analogues Endowed with Interesting Anticancer Activities

Résumé

A novel class of isocombretastatin A‐4 (isoCA‐4) analogues with modifications at the 3′‐position of the B‐ring by replacement with C‐linked substituents was studied. Exploration of the structure–activity relationships of theses analogues led to the identification of several compounds that exhibit excellent antiproliferative activities in the nanomolar concentration range against H1299, MDA‐MB231, HCT116, and K562 cancer cell lines; they also inhibit tubulin polymerization with potency similar to that of isoCA‐4. 1,1‐Diarylethylenes 8 and 17, respectively with (E)‐propen‐3‐ol and propyn‐3‐ol substituents at the 3′‐position of the B‐ring, proved to be the most active in this series. Both compounds led to the arrest of various cancer cell lines at the G2/M phase of the cell cycle and strongly induced apoptosis. Docking of compounds 8 and 17 in the colchicine binding site indicated that their C3′ substituents guide the positioning of the B‐ring in a manner different from that observed for isoCA‐4.

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hal-02394426 , version 1 (04-12-2019)

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Abdallah Hamze, Evelia Rasolofonjatovo, Olivier Provot, Céline Mousset, Damien Veau, et al.. B-Ring-Modified isoCombretastatin A-4 Analogues Endowed with Interesting Anticancer Activities. ChemMedChem, 2011, 6 (12), pp.2179-2191. ⟨10.1002/cmdc.201100325⟩. ⟨hal-02394426⟩
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