La（Ⅲ）, Y（Ⅲ） complexes with diglycol aldehyde bis-arginine （H<sub>2</sub>DAAR） and tetraglycol aldehyde bislysine （H<sub>2</sub>TALY） Schiff bases were synthesized. They were character...La（Ⅲ）, Y（Ⅲ） complexes with diglycol aldehyde bis-arginine （H<sub>2</sub>DAAR） and tetraglycol aldehyde bislysine （H<sub>2</sub>TALY） Schiff bases were synthesized. They were characterized and formulated as La（H<sub>2</sub>DAAR） （NO<sub>3</sub>）<sub>3</sub>·6H<sub>2</sub>O and Y （H<sub>2</sub>TALY）（NO<sub>3</sub>）<sub>3</sub>·5H<sub>2</sub>O separately by elemental analyses. The obtained complexes were investigated in detail by high resolution solid state （HRSS） <sup>13</sup>C NMR using cross polarization, magic angle spinning （CPMAS）, and total suppression of sidebands （TOSS）techniques. The results are supported by the liquid state 2D-<sup>1</sup>H-<sup>13</sup>C COSY NMR spectra. Some new information about the splitting peaks of <sup>13</sup>C for—CH=N—group and alkene carbon bands, etc. in HRSS <sup>13</sup>C NMR spectra are given.展开更多
基金Project supported by the National Natural Science Foundation of China (Grant No. 29671026)the Natural Science Foundation of Zhejiang Province (Grant No. 296062)the Laboratory of MRAMP (Grant No. 971502)
文摘La（Ⅲ）, Y（Ⅲ） complexes with diglycol aldehyde bis-arginine （H<sub>2</sub>DAAR） and tetraglycol aldehyde bislysine （H<sub>2</sub>TALY） Schiff bases were synthesized. They were characterized and formulated as La（H<sub>2</sub>DAAR） （NO<sub>3</sub>）<sub>3</sub>·6H<sub>2</sub>O and Y （H<sub>2</sub>TALY）（NO<sub>3</sub>）<sub>3</sub>·5H<sub>2</sub>O separately by elemental analyses. The obtained complexes were investigated in detail by high resolution solid state （HRSS） <sup>13</sup>C NMR using cross polarization, magic angle spinning （CPMAS）, and total suppression of sidebands （TOSS）techniques. The results are supported by the liquid state 2D-<sup>1</sup>H-<sup>13</sup>C COSY NMR spectra. Some new information about the splitting peaks of <sup>13</sup>C for—CH=N—group and alkene carbon bands, etc. in HRSS <sup>13</sup>C NMR spectra are given.
