Pipemidic acid is one of an efficient quinolone antibacterial drug.Thecomplexitybetween pipemidic acid“Hpipc”withgallium(Ⅲ),germanium(Ⅳ)and silicon(Ⅳ)afforded three molecular formulas of[Ga(pipc)2(H 2O)(Cl)]·...Pipemidic acid is one of an efficient quinolone antibacterial drug.Thecomplexitybetween pipemidic acid“Hpipc”withgallium(Ⅲ),germanium(Ⅳ)and silicon(Ⅳ)afforded three molecular formulas of[Ga(pipc)2(H 2O)(Cl)]·4H 2O,1,[Ge(pipc)2(Cl)2]·4H 2O,2 and[Si(pipc)2(Cl)2]·4H 2O,3 complexes.These three new complexes were characterized based on elemental analysis,conductance,FTIR,UV-Vis,^1HNMR and XRD spectroscopy.The pipc chelate exhibits O,O coordinated through the carbonyl(C O)and carboxylato(COO)of both oxygen atoms.Six coordinate geometry was proposed regarding complexes of 2 and 3,so the axial position was occupied by two coordinated chlorideatoms.In vitro,the antibacterial,antifungal,and anti-cancer assessments concerning the synthesized pipc complexes were scanned.These complexes have an excellent anti-microbial activity.展开更多
邻菲啰啉二酮(1)在醋酸与醋酸铵的作用下与芳香醛通过脱水缩合构筑咪唑环,首次合成了3个新型芳基咪唑化合物(3a^3c).利用IR和1 H NMR等对目标分子3进行了结构表征.首次探究了11种金属离子对目标产物3的荧光猝灭,选取了包括主族和副族的1...邻菲啰啉二酮(1)在醋酸与醋酸铵的作用下与芳香醛通过脱水缩合构筑咪唑环,首次合成了3个新型芳基咪唑化合物(3a^3c).利用IR和1 H NMR等对目标分子3进行了结构表征.首次探究了11种金属离子对目标产物3的荧光猝灭,选取了包括主族和副族的11种金属离子Ca^(2+)、Cr^(3+)、Hg^(2+)、Al^(3+)、Mn^(2+)、Na+、Pb^(2+)、Fe^(3+)、Cu^(2+)、Zn^(2+)、Fe^(2+).通过荧光测试研究了金属离子的荧光猝灭现象,并通过经典的方法计算出了荧光猝灭系数KSV.研究结果表明:Zn^(2+)对配体3a、3b、3c均产生优良的猝灭效果,并产生红移,因此可对Zn^(2+)进行荧光识别.荧光猝灭系数KSV的计算结果表明,金属离子的最低检出限可达10^(-5)mol/L.利用产生荧光猝灭现象可以广泛应用于金属离子荧光探针识别,从而达到检测金属离子的目的.因此,目标产物可作为Zn^(2+)的荧光探针.展开更多
基金funded by the Deanship of Scientific Research at Princess Nourah bint Abdulrahman University through the Fast-track Research Funding Program。
文摘Pipemidic acid is one of an efficient quinolone antibacterial drug.Thecomplexitybetween pipemidic acid“Hpipc”withgallium(Ⅲ),germanium(Ⅳ)and silicon(Ⅳ)afforded three molecular formulas of[Ga(pipc)2(H 2O)(Cl)]·4H 2O,1,[Ge(pipc)2(Cl)2]·4H 2O,2 and[Si(pipc)2(Cl)2]·4H 2O,3 complexes.These three new complexes were characterized based on elemental analysis,conductance,FTIR,UV-Vis,^1HNMR and XRD spectroscopy.The pipc chelate exhibits O,O coordinated through the carbonyl(C O)and carboxylato(COO)of both oxygen atoms.Six coordinate geometry was proposed regarding complexes of 2 and 3,so the axial position was occupied by two coordinated chlorideatoms.In vitro,the antibacterial,antifungal,and anti-cancer assessments concerning the synthesized pipc complexes were scanned.These complexes have an excellent anti-microbial activity.
文摘邻菲啰啉二酮(1)在醋酸与醋酸铵的作用下与芳香醛通过脱水缩合构筑咪唑环,首次合成了3个新型芳基咪唑化合物(3a^3c).利用IR和1 H NMR等对目标分子3进行了结构表征.首次探究了11种金属离子对目标产物3的荧光猝灭,选取了包括主族和副族的11种金属离子Ca^(2+)、Cr^(3+)、Hg^(2+)、Al^(3+)、Mn^(2+)、Na+、Pb^(2+)、Fe^(3+)、Cu^(2+)、Zn^(2+)、Fe^(2+).通过荧光测试研究了金属离子的荧光猝灭现象,并通过经典的方法计算出了荧光猝灭系数KSV.研究结果表明:Zn^(2+)对配体3a、3b、3c均产生优良的猝灭效果,并产生红移,因此可对Zn^(2+)进行荧光识别.荧光猝灭系数KSV的计算结果表明,金属离子的最低检出限可达10^(-5)mol/L.利用产生荧光猝灭现象可以广泛应用于金属离子荧光探针识别,从而达到检测金属离子的目的.因此,目标产物可作为Zn^(2+)的荧光探针.
