Novel hydroxy- and amidino-substituted benzimidazoles and benzothiazoles as antibacterial and antiproliferative agents.
Future Med Chem
; 15(14): 1251-1272, 2023 Jul.
Article
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| MEDLINE
| ID: mdl-37551679
ABSTRACT
Aim:
The aim was synthesis of novel benzazoles bearing amidino and 2-hydroxyphenyl substituents to explore their biological activity.Methods:
Condensation of 5-substituted salicylaldehydes and intermediates gave new benzazoles by previously published and developed procedures, which were tested for antibacterial and antiproliferative activity in vitro.Results:
The best antibacterial activity showed benzimidazole with 2-imidazolinyl group 27 and benzothiazole with an unsubstituted amidine 48 (minimum inhibitory concentration 8 µg/ml). Benzothiazole 53 proved most potent at inhibiting proliferation of all cancer cells (IC50 1.2-2.0 µM).Conclusion:
Most active compounds have been recognized as lead compounds for additional optimization to improve their biological activity. The type of amidine moiety markedly influenced the biological activity. Benzothiazoles showed improved antiproliferative activity in comparison to benzimidazoles.
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MEDLINE
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Año:
2023
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Article