2-Chlorophenyl-substituted benzofuro[3,2-b]pyridines with enhanced topoisomerase inhibitory activity: The role of the chlorine substituent
2017
Abstract A new series of 2-chloropheny-substituted benzofuro[3,2- b ]pyridines were designed, synthesized, and evaluated for topoisomerase I and II inhibition and antiproliferative activity. Compounds 17 – 19, 23, 24, 26, and 27 exhibited excellent topo II inhibitory activity. A systematic structure-activity relationship study revealed the important role of chlorine substitution in the strong topoisomerase inhibitory activity.
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