合成了N-［(2-羟基-5-甲基苯)（苯基）］亚甲基邻苯二胺，晶体属单斜晶系，空 间群P21/c. 晶胞参数 a = 1.034 0(6) nm， b =1.092 0(3) nm， c =1.472 0(4) nm, β = 107.89(3)°, 化学式C20H18N2O, M r =302.36， Z =4, V =1.581 ...合成了N-［(2-羟基-5-甲基苯)（苯基）］亚甲基邻苯二胺，晶体属单斜晶系，空 间群P21/c. 晶胞参数 a = 1.034 0(6) nm， b =1.092 0(3) nm， c =1.472 0(4) nm, β = 107.89(3)°, 化学式C20H18N2O, M r =302.36， Z =4, V =1.581 7(10) nm3 ， D c = 1.268 g/cm3， F （000）= 160，最终偏离因子 R1 = 0.054 1. 结构分析表明，分子间以氢键形成二聚体，二聚体 的分子间互为中心对称. 循环伏安法表明标题化合物的电极反应是一个不可逆的单电子传荷 过程.展开更多
In order to develop novel antitumor d rugs,1,5-bis(2-hydroxybenzylidene)-thiocarbohydrazide(HL)and its Ag ?Complex([Ag2L]·NO3)have been prepared and characterize d by elemental analysis,IR,UV,1 H NMR and molar co...In order to develop novel antitumor d rugs,1,5-bis(2-hydroxybenzylidene)-thiocarbohydrazide(HL)and its Ag ?Complex([Ag2L]·NO3)have been prepared and characterize d by elemental analysis,IR,UV,1 H NMR and molar conductance,respectively.The inhibitory effects of them on five tumor cell lines,including HL-60,Bel-7402,EJ,HCT-8and A431 have been measured by using MTT(Dimethoxyneotetrazolium)colorimetric assay and SRB(Sulforhodamine B)assay.The result indicated that the Ag Complex has str onger inhibitory effect on the five t umor cell lines than the ligand,especially showed very stro ng effect on HL-60cell and Bel-7402c ell.When the exposure concentration of the complex was 10-5mol·L-1,The inhibitory rate is over 96%.展开更多
In the presence of Triton X100,the color reaction of Mercury(Ⅱ)with 2hydroxy5nitrophenyldiazoaminoazobenene(HNPDAAB)was studied.Mercury(Ⅱ)reacts with HNPDAAB and forms a 1∶1 red complex at pH=95-110 buffer solution...In the presence of Triton X100,the color reaction of Mercury(Ⅱ)with 2hydroxy5nitrophenyldiazoaminoazobenene(HNPDAAB)was studied.Mercury(Ⅱ)reacts with HNPDAAB and forms a 1∶1 red complex at pH=95-110 buffer solution of Na2B4O7NaOH.The molar absorptivity is 256×105L·mol-1·cm-1.Beer’s law is obeyed in the concentration range of 0～12μg/25mL for Mercury(Ⅱ).The results are in agreement with those determined by the conventional method.This new method was used to determine trace mercury in wastewater.展开更多
文摘合成了N-［(2-羟基-5-甲基苯)（苯基）］亚甲基邻苯二胺，晶体属单斜晶系，空 间群P21/c. 晶胞参数 a = 1.034 0(6) nm， b =1.092 0(3) nm， c =1.472 0(4) nm, β = 107.89(3)°, 化学式C20H18N2O, M r =302.36， Z =4, V =1.581 7(10) nm3 ， D c = 1.268 g/cm3， F （000）= 160，最终偏离因子 R1 = 0.054 1. 结构分析表明，分子间以氢键形成二聚体，二聚体 的分子间互为中心对称. 循环伏安法表明标题化合物的电极反应是一个不可逆的单电子传荷 过程.
文摘In order to develop novel antitumor d rugs,1,5-bis(2-hydroxybenzylidene)-thiocarbohydrazide(HL)and its Ag ?Complex([Ag2L]·NO3)have been prepared and characterize d by elemental analysis,IR,UV,1 H NMR and molar conductance,respectively.The inhibitory effects of them on five tumor cell lines,including HL-60,Bel-7402,EJ,HCT-8and A431 have been measured by using MTT(Dimethoxyneotetrazolium)colorimetric assay and SRB(Sulforhodamine B)assay.The result indicated that the Ag Complex has str onger inhibitory effect on the five t umor cell lines than the ligand,especially showed very stro ng effect on HL-60cell and Bel-7402c ell.When the exposure concentration of the complex was 10-5mol·L-1,The inhibitory rate is over 96%.
文摘In the presence of Triton X100,the color reaction of Mercury(Ⅱ)with 2hydroxy5nitrophenyldiazoaminoazobenene(HNPDAAB)was studied.Mercury(Ⅱ)reacts with HNPDAAB and forms a 1∶1 red complex at pH=95-110 buffer solution of Na2B4O7NaOH.The molar absorptivity is 256×105L·mol-1·cm-1.Beer’s law is obeyed in the concentration range of 0～12μg/25mL for Mercury(Ⅱ).The results are in agreement with those determined by the conventional method.This new method was used to determine trace mercury in wastewater.
