[EZ-Cytox] Synthesis and structure-activity relationships of hydroxylated and halogenated 2,4-diaryl benzofuro[…
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1570회 연결
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Highlights
New series of -OH, -Cl, -F, and -CF3 containing 2,4-diaryl benzofuro[3,2-b]pyridin-7-ols were prepared.
Utilized rapid, economic, and environment friendly one-pot synthetic method.
Majority of compounds showed selective topo IIα inhibitory activity.
Hydroxyl at 7-position and phenol group on the 4-position of the tricyclic system is important for activity.
Abstract
The objective of this study was to discover potential topoisomerase (topo) targeting anticancer agents. Novel series of hydroxylated and halogenated (-F, -Cl, and -CF3) 2,4-diaryl benzofuro[3,2-b]pyridin-7-ols were systematically designed and synthesized by faster, economic, and environmentally friendly l-proline catalyzed and microwave-assisted one pot reaction method. The synthesized compounds were assessed for topo I and IIα inhibitory and anti-proliferative activities. The in vitro evaluation displayed that most of the compounds have selective topo IIα inhibitory activity as well as selectivity towards T47D human cancer cell line. Structure-activity relationship study suggested that the introduction of additional hydroxyl functionality at 7-positon of benzofuro[3,2-b]pyridine skeleton is crucial for selective topo IIα inhibitory activity. Placement of phenolic moiety on the 4-position of the tricyclic system imparts better topo IIα inhibitory and anti-proliferative activity.
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