摘要
选用具有双醛基的邻苯二醛与双氨基的赖氨酸缩合形成邻苯二醛缩赖氨酸席夫碱(HL),首次合成10种新的稀土氨基酸席夫碱配合物.在元素分析、热分析、紫外、可见、红外光谱及核磁共振谱等表征基础上,提出该类型配合物的组成为LnL2(NO3).4H2O(Ln=La、Pr、Nd、Sm、Y)和LnL2(NO3).3H2O(Ln=Gd、Tb、Dy、Er、Yb),研究了它们的配位机理和谱学性质,并讨论了配合物颇具特点的可能结构.
Ten new rare earth complexes with Schiff base (HL) condensed from phthalaldehyde possessing two-CHO groups and lysine which has two unsymmetrical a-and e-NH2 groups were synthesized and characterized by elemental analysis, TG-DTA analysis, UV-VIS, IR and ^1H NMR specra. They were confirmed as LnL2 (NO3) · 4H2O (Ln = La.Pr.Nd .Sm,Y) and LnL2 ( NO3 ) · 3H2 O (Ln=Gd .Tb,Dy,Er. Yb) respectively. Furthermore their structure, coordination mode and properties were also discussed.
出处
《浙江大学学报(理学版)》
CAS
CSCD
北大核心
2005年第5期550-553,557,共5页
Journal of Zhejiang University(Science Edition)
基金
国家自然科学基金资助项目(29671026)
浙江省自然科学基金资助项目(202033)
关键词
双醛基
双氨基
稀土席夫碱新配合物
two-CHO groups
two unsymmetrical NH2 groups
new rare earth complexes with Schiff base
作者简介
胡美仙(1946-),女,浙江师范大学化学系高访学者,副教授,主要从事配位化合物研究.
姚克敏,E-mail:kmyao@163.net.通讯作者