A new compound, 3,5-dihydroxy-N′-（5-bro-2-hydroxybenzylidene）benzohydrazide hydrate, has been synthesized and characterized by single-crystal X-ray diffraction. The title compound crystallizes in a monoclinic syste...A new compound, 3,5-dihydroxy-N′-（5-bro-2-hydroxybenzylidene）benzohydrazide hydrate, has been synthesized and characterized by single-crystal X-ray diffraction. The title compound crystallizes in a monoclinic system, space group P21/c with a = 14.267（6）, b = 8.079（4）, c = 13.157（6） , β = 108.114（4）, Z = 4, V = 1441.4（11） 3, Dc = 1.701 g/cm3, F（000） = 744.0, μ = 2.878 and S = 1.021. The final R = 0.0457 and wR = 0.1149 for 3500 observed reflections with I 〉 2 （I）. The ability with which the compound scavenges free radicals of ABTS and DPPH, IC50, is 34.13 and 101.6 μM, respectively.展开更多
基金the National Natural Science Foundation of China (No. 30772601)Shandong province natural funded Projects (No. Q2008C17)Shandong province traditional Chinese medical science and technology development programs (No. 2009-038)
文摘A new compound, 3,5-dihydroxy-N′-（5-bro-2-hydroxybenzylidene）benzohydrazide hydrate, has been synthesized and characterized by single-crystal X-ray diffraction. The title compound crystallizes in a monoclinic system, space group P21/c with a = 14.267（6）, b = 8.079（4）, c = 13.157（6） , β = 108.114（4）, Z = 4, V = 1441.4（11） 3, Dc = 1.701 g/cm3, F（000） = 744.0, μ = 2.878 and S = 1.021. The final R = 0.0457 and wR = 0.1149 for 3500 observed reflections with I 〉 2 （I）. The ability with which the compound scavenges free radicals of ABTS and DPPH, IC50, is 34.13 and 101.6 μM, respectively.
