A Schiff base ligand was synthesized by condensating 5-bromosalicylaldehyd with ethylenediamine and several rare earth complexes,such as La(Ⅲ)、Ce(Ⅲ)、Nd(Ⅲ) were synthesized.The compositions and structures of the l...A Schiff base ligand was synthesized by condensating 5-bromosalicylaldehyd with ethylenediamine and several rare earth complexes,such as La(Ⅲ)、Ce(Ⅲ)、Nd(Ⅲ) were synthesized.The compositions and structures of the ligang and its complexes were characterized by the elemental analyses,thermal analyses,IR spectra,UV spectra,1H NMR and molar conductivity.The fluorescence property and dismutation to O-2 free radical were also investingated.展开更多
Three types of new Schiff base and their coordination compounds of copper(Ⅱ) have been synthesized and characterized by elemental analysis and infrared spectral data.These complexes have been tested for their antibac...Three types of new Schiff base and their coordination compounds of copper(Ⅱ) have been synthesized and characterized by elemental analysis and infrared spectral data.These complexes have been tested for their antibacterial activities.Primary results showed that they all displayed significant antibacterial activities towards many types of bacteria.展开更多
文摘A Schiff base ligand was synthesized by condensating 5-bromosalicylaldehyd with ethylenediamine and several rare earth complexes,such as La(Ⅲ)、Ce(Ⅲ)、Nd(Ⅲ) were synthesized.The compositions and structures of the ligang and its complexes were characterized by the elemental analyses,thermal analyses,IR spectra,UV spectra,1H NMR and molar conductivity.The fluorescence property and dismutation to O-2 free radical were also investingated.
文摘Three types of new Schiff base and their coordination compounds of copper(Ⅱ) have been synthesized and characterized by elemental analysis and infrared spectral data.These complexes have been tested for their antibacterial activities.Primary results showed that they all displayed significant antibacterial activities towards many types of bacteria.