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Synthesis and antiproliferative activity of aryl- and heteroaryl-hydrazones derived from xanthone carbaldehydes
In order to explore the antiproliferative effect associated with the xanthone framework, several arylhydrazonomethyl derivatives were synthesized from various isomeric 1,3-dihydroxyxanthone carbaldehydes. Variation in the position of the aldehydic function led to three sets of compounds, bearing the...
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Published in: | European journal of medicinal chemistry 2008-06, Vol.43 (6), p.1336-1343 |
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Main Authors: | , , , , , |
Format: | Article |
Language: | English |
Subjects: | |
Citations: | Items that this one cites Items that cite this one |
Online Access: | Get full text |
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Summary: | In order to explore the antiproliferative effect associated with the xanthone framework, several arylhydrazonomethyl derivatives were synthesized from various isomeric 1,3-dihydroxyxanthone carbaldehydes. Variation in the position of the aldehydic function led to three sets of compounds, bearing the hydrazonomethyl chain at positions 5, 6 or 7 on the xanthone nucleus, respectively.
The antiproliferative effect of the compounds was evaluated in vitro using the MTT colorimetric method against two human cancer cell lines (MCF-7, breast adenocarcinoma, and KB 3.1, squamous cell oral carcinoma) for two time periods (24
h and 72
h).
Among the series, four compounds exhibited interesting growth inhibitory effects against both the cell lines, with IC
50 values in the micromolar concentration range. When compared with doxorubicin, the xanthone derivatives showed moderate cytotoxic effects. Surprisingly, unlike doxorubicin, these compounds displayed no significant time-dependent change in the concentration causing 50% inhibitory effect in proliferation.
This unusual cytotoxicity profile led to the hypothesis that these molecules could be endowed with a mechanism of action distinct to that of doxorubicin.
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ISSN: | 0223-5234 1768-3254 |
DOI: | 10.1016/j.ejmech.2007.09.003 |