Several selenolo[2,3-b]quinolines and pyrimido[4',5':4,5]selenolo[2,3-b]quinolines were prepared by annulations via reaction of NaSeH with 2-chloro-3-cyano-4-methylquinoline 1 followed by reactions with aromatic aldehydes, cycloalkanones, and acetic anhydride. Spectroscopic (IR, 1H-NMR, and MS) properties of the synthesized compounds are reported. Some selected compounds 5a, 7b, 7c, 8b-d, 9a, 11b, and 11d were investigated for their anti-inflammatory and analgesic activities; in addition, the most active compounds were tested for their ulcerogenicity and acute toxicity. Moreover, some of the test compounds 7c, 9a, 11b, and 11d were screened for their antibacterial and antifungal activities.
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