吡啶基稀土二氯化物的合成及表征

SYNTHESIS AND CHARACTERIZATION OF 2 PYRIDYL LANTHANIDE DICHLORIDES

为了研究含杂原子的芳基配体对稀土氯化物的稳定作用，选用２－吡啶基为配体，用三氯稀土与吡啶锂盐反应，加入ｔｍｅｄ作为Ｌｅｗｉｓ碱配位满足稀土高配位数，合成了一系列未见报道的吡啶基稀土二氯化物Ｃ５Ｈ４ＮＬｎＣｌ２·ｔｍｅｄ［Ｌｎ＝Ｈｏ（１）、Ｄｙ（２）、Ｔｂ（３）、Ｎｄ（４）、Ｐｒ（５）］．并通过元素分析。

In order to stundy stabilizalion of heterocycle aryl Lanehanide dichloride,Using 2 Pyridgl for Ligend,a series of new 2 Pyridyl lanthanide dichcoride C 5H 4NLnCl 2·tmed[Cn=Ho(1)、Dy(2)、Tb(3)、Nd(4)、Pr(5)]were synthesizd by the reaction of LnCl 3 and pyridy(Lithium in THF. Using tmed as lewis base,under the protection of purified, oxygen free Argon. All complexes have been characterized by elementary analysis, IR and Ms.