反应详情

3,4-dibromo-5-hydroxy-2(5H)-furanone (manufactured by SIGMA), Compound 3: 4-bromo-5-methoxy-5-(4-methoxyphenyl)-2(5H)-furanone (manufactured by SIGMA), and Compound 4: 4-{[3-bromo-2-(4-methoxyphenyl)-5-oxo-2,5-dihydro-2-furanyl]oxy}benzoate (manufactured by SIGMA) were used as test drugs. As positive controls, three (3) kinds of known compounds as an AI-2 inhibitory compounds, such as Compound 5: 4-hydroxy-2,5-dimethyl-3(2H)-furanone (manufactured by SIGMA), Compound 6: 2-methoxy-2,4-diphenyl-3(2H)-furanone (manufactured by SIGMA), and Compound 7: 2-pentyl-2-cyclopentene-1-one (manufactured by SIGMA) were used (see Bassseler et al., Bacteriol. 179, p. 4043-4045, 1997; Yoshida A. et al., Appl. Environ. Microbial., 71(5), p. 2372-2380, 2005; and Wen Z. T. et al., J. Bacteriol., 189(9), p. 2682-2691, 2004).