Abstract

Palladium-catalyzed, cross-coupling reaction of N-methyl-3-iodo-4-quinolone with boronic acids or N-methyliminodiacetic acid boronates to obtain azaisoflavone derivatives was investigated through conventional Suzuki–Miyuara coupling or by slow release strategy. It has been observed that a slow release approach was a highly successful. In addition, a series of novel azaisoflavones containing alkynyl group were synthesized via Sonogashira reaction. The antibacterial activities of the all synthesized compounds were screened against series of bacterial strains. Furthermore, a molecular docking study was carried out for the most active compounds using Leadit 2.1.8 docking software, and the results were in good agreement with the experimental data. The details of synthetic methods, spectroscopic data, and biological results are reported.

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