| 稀土元素与L-酪氨酸和甘氨酸三元固态配合物的合成及表征 |
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| 引用本文： | 刘景心,段莉梅,孙元洪.稀土元素与L-酪氨酸和甘氨酸三元固态配合物的合成及表征[J].高等学校化学学报,1992(3). |
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| 作者姓名： | 刘景心 段莉梅 孙元洪 |
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| 作者单位： | 内蒙古大学化学系，内蒙古大学化学系，内蒙古大学化学系 呼和浩特，010021，呼和浩特，010021，呼和浩特，010021 |
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| 摘 要： | 目前稀土与氨基酸三元固态配合物的研究着重于少数稀土-氨基酸-非氨基酸类型.本文报道了10种稀土与L-酪氨酸(Tyr,HO——CH_2(NH_2)CHCOOH)和甘氨酸(Gly,NH_2CH_2COOH)三元固态配合物的合成及FTIR光谱、质谱表征.
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| 关 键 词： | 稀土配合物 L-酪氨酸 甘氨酸 |
Synthesis and Characterization of the Solid Ternary Complexes of Rare Earths with Z,-Tyrosine and Glycine |
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| LIU Jing-xin,DUAN Li-mei,SUN Yuan-hong.Synthesis and Characterization of the Solid Ternary Complexes of Rare Earths with Z,-Tyrosine and Glycine[J].Chemical Research In Chinese Universities,1992(3). |
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| Authors: | LIU Jing-xin DUAN Li-mei SUN Yuan-hong |
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| Abstract: | The title complexes Ln(Tyr)(Gly)3Cl3.3H2O(Ln = La-Ho, except Pm) were synthesized. The mass spectra of gadolinium complex, in which the strongest peak (m/e=612) was assigned to Gd165(Tyr) (NH2CH2COO)3.3H2O]+, further support the formation of the ternary complexes. In FTIR spectra, va2,cCOO- shifts to higher frequencies after the coordination (the heavy rare earth complexes shifted by 17-19 cm-1), but the shifting of vs,COO- is smaller. Two new absorption bands at 390 cm-1 (strong) and 443 cm-1(weak) are attributed to Ln-O and Ln-OH2 stretching vibration, respectively. These results indicate that the carboxylate ions coordinate to the rare earths as an unsymmetrical bridging bidentate ligand. |
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| Keywords: | Rare earth complex L-Tyrosine Glycine |
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