Bioorganic and Medicinal Chemistry
Bioorganic and Medicinal Chemistry
5 years ago

Fluoro and pentafluorothio analogs of the antitumoral curcuminoid EF24 with superior antiangiogenic and vascular-disruptive effects

Fluoro and pentafluorothio analogs of the antitumoral curcuminoid EF24 with superior antiangiogenic and vascular-disruptive effects
A series of 14 analogs of the curcuminoid EF24, (3E,5E)-3,5-bis[(2-fluorophenyl)methylene]-4-piperidinone, bearing fluorine or pentafluorothio substituents, were prepared and tested for antiproliferative, vascular-disruptive, and antiangiogenic activity, as well as for their influence on other cancer-relevant targets. They proved antiproliferative against eight cancer cell lines with IC50 values in the low single-digit micromolar to triple-digit nanomolar range. Like EF24, the hexafluoro 3c and 3d and bis(pentafluorothio) 4f derivatives arrested HT-29 colon carcinoma cells in G2/M phase of the cell cycle, yet inhibited angiogenesis, e.g. in zebrafish larvae, to a much greater extent. The antimigratory effects in 518A2 melanoma cells of 3c, its regioisomer 3d, and of 4f, originate from an inhibition of NF-κB translocation. Moreover, 3c and 3d showed potential as vascular-disruptive agents in chorioallantoic/vitelline membrane (CA/VM) assays.

Publisher URL: www.sciencedirect.com/science

DOI: S0968089617306156

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