1,2,3-triazole analogs of combretastatin A-4 as potential microtubule-binding agents.

Bioorg Med Chem

School of Pharmacy, Department of Pharmaceutical Chemistry, University of Oslo, PO Box 1068, N-0316 Oslo, Norway.

Published: September 2010

A series of cis-restricted 1,4- and 1,5-disubstituted 1,2,3-triazole analogs of combretastatin A-4 (1) have been prepared. Cytotoxicity and tubulin inhibition studies showed that 2-methoxy-5-((5-(3,4,5-trimethoxyphenyl)-1H-1,2,3-triazol-1-yl)methyl)aniline (5e) and 2-methoxy-5-(1-(3,4,5-trimethoxybenzyl)-1H-1,2,3-triazol-5-yl)aniline (6e) were two of the most active compounds. Molecular modeling studies revealed that the N-2 and N-3 atoms in the triazole rings in 5e and 6e did not form hydrogen bonds with the amino acids in the anticipated pharmacophore.

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http://dx.doi.org/10.1016/j.bmc.2010.07.032DOI Listing

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