An ultrasonic-assisted synthesis of bis-isoxazole derivatives was developed.Eight 3-(6-chloropyridin-3-yl)-5-{[(3-arylisoxazol-5-yl)methoxy]methyl}isoxazoles were synthesized by 1,3-dipolar cycloaddition reaction betw...An ultrasonic-assisted synthesis of bis-isoxazole derivatives was developed.Eight 3-(6-chloropyridin-3-yl)-5-{[(3-arylisoxazol-5-yl)methoxy]methyl}isoxazoles were synthesized by 1,3-dipolar cycloaddition reaction between substituted isoxazolyl alkyne compounds and 6-chloro-N-hydroxynicotinimidoyl chloride.The structures of the synthesized compounds were confirmed by HRMS,FTIR,^(1)H and^(13)C NMR spectroscopy.Wherein,the antifungal and antibacterial activities of target compounds were tested.The synthesized compounds 6a and 6h exhibited better antifungal activity in comparison with the standard drug itraconazole.The minimum inhibitory concentrations(MICs)of both compound 6a and compound 6h were both 4µg/mL against Candida albicans ATCC 10231.展开更多
文摘An ultrasonic-assisted synthesis of bis-isoxazole derivatives was developed.Eight 3-(6-chloropyridin-3-yl)-5-{[(3-arylisoxazol-5-yl)methoxy]methyl}isoxazoles were synthesized by 1,3-dipolar cycloaddition reaction between substituted isoxazolyl alkyne compounds and 6-chloro-N-hydroxynicotinimidoyl chloride.The structures of the synthesized compounds were confirmed by HRMS,FTIR,^(1)H and^(13)C NMR spectroscopy.Wherein,the antifungal and antibacterial activities of target compounds were tested.The synthesized compounds 6a and 6h exhibited better antifungal activity in comparison with the standard drug itraconazole.The minimum inhibitory concentrations(MICs)of both compound 6a and compound 6h were both 4µg/mL against Candida albicans ATCC 10231.