新型Schiff碱及金属配合物的合成、表征及性能研究

Synthesis,characterization and properties of Schiff base and its metal complexes

合成了未见报道的草酸双缩邻苯二胺双缩水杨醛Schiff碱（L1和L2）和金属离子[Co（Ⅱ），Cu（Ⅱ），Ni（Ⅱ）]与L1配合生成的三种Schiff碱金属配合物。并对合成的配体及配合物进行了元素分析、IR、uV和1HNMR的表征，以及Schiff碱及其配合物热致变色性能和荧光性能的性质研究。结果表明化合物均不具有热致变色的性能，化合物均具有较强的荧光发射光谱，发射峰值波长λcm在470-524nm。

Novel oxalate bis-o-phenylenediamine bis-salicylic aldehyde Schiff base ligands（L1 and L2 ）were synthe sized. Three novel metal complexes were synthesized by metal ion[Co（ Ⅱ ）, Cu（ Ⅱ ）, Ni（ Ⅱ ）]with Schiff base（L1 ）. The structures were characterized by elemental analysis, FT-IR, UV and 1HNMR. The thermochromic properties and fluores- cence properties were also studied which showed the complexes hadn＇t thermochromic properties but had the fluorescence properties. Which demonstrated that the Schiff bases showed strong fluorescence intensity at em = 470-524nm.