Discovery of 4-aryl-4H-chromenes as a new series of apoptosis inducers using a cell- and caspase-based high throughput screening assay. 4. Structure-activity relationships of N-alkyl substituted pyrrole fused at the 7,8-positions.

doi:10.1021/jm7010657

Paper

Discovery of 4-aryl-4H-chromenes as a new series of apoptosis inducers using a cell- and caspase-based high throughput screening assay. 4. Structure-activity relationships of N-alkyl substituted pyrrole fused at the 7,8-positions.

Published Jan 16, 2008 · William E. Kemnitzer, J. Drewe, Songchun Jiang

Journal of medicinal chemistry

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207

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1

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Abstract

In our continuing effort to discover and develop apoptosis inducing 4-aryl-4H-chromenes as novel anticancer agents, we explored the structure-activity relationship (SAR) of alkyl substituted pyrrole fused at the 7,8-positions. A methyl group substituted at the nitrogen in the 7-position of the pyrrole ring led to a series of potent apoptosis inducers with potency in the low nanomolar range. These compounds were also found to be low nanomolar or subnanomolar inhibitors of cell growth, and they inhibited tubulin polymerization, indicating that methylation of the 7-position nitrogen does not change the mechanism of action of these chromenes. Compound 2d was identified as a highly potent apoptosis inducer with an EC50 value of 2 nM and a highly potent inhibitor of cell growth with a GI50 value of 0.3 nM in T47D cells.

In Vitro Study

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Study Snapshot

4-aryl-4H-chromenes with methyl groups at the 7-position show potential as potent apoptosis inducers and inhibitors of cell growth, offering potential as novel anticancer agents.

PopulationOlder adults (50-71 years)

Sample size24

MethodsObservational

OutcomesBody Mass Index projections

ResultsSocial networks mitigate obesity in older groups.

Discovery of 4-aryl-4H-chromenes as a new series of apoptosis inducers using a cell- and caspase-based high throughput screening assay. 4. Structure-activity relationships of N-alkyl substituted pyrrole fused at the 7,8-positions.

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