Zn(II) Complexes with Quinoline Supported Amidate Ligands: Synthesis, Fluorescence, and Catalytic Activity

被引：4
|
作者：
Rehman, F. [1 ]
Zafar, M. N. [1 ,3 ]
Yousuf, S. [2 ]
Nazar, M. F. [3 ]
Mughal, E. U. [3 ]
Malik, A. [4 ]
Sumrra, S. H. [3 ]
Zafar, M. N. [1 ,3 ]
Rafique, H. [3 ]
机构：
[1] Quaid I Azam Univ, Dept Chem, Islamabad 45320, Pakistan
[2] Univ Karachi, Int Ctr Chem & Biol Sci, HEJ Res Inst Chem, Karachi 75270, Pakistan
[3] Univ Gujrat, Dept Chem, Gujrat 50700, Pakistan
[4] COMSATS Inst Informat Technol, Dept Chem, Islamabad 44000, Pakistan
来源：
RUSSIAN JOURNAL OF GENERAL CHEMISTRY | 2019年 / 89卷 / 12期
关键词：
Zn(II); quinoline; amidate; transesterification; fluorescence; TRANSESTERIFICATION; PHOTOLUMINESCENCE; EFFICIENT; ZINC(II); ZN;
D O I：
10.1134/S1070363219120302
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
Zn(II) complexes of N-(quinolin-8-yl)picolinamide (HL1) (1) and N-2,N-6-di(quinolin-8-yl)pyridine-2,6-dicarboxamide (H2L2) (2) have been synthesized by deprotonation of the ligands and characterized by IR, NMR, and Single crystal X-ray crystallography. The mononuclear [Zn(L-1)(2)] (3) and homodinuclear [Zn-2(L-2)(2)] (4) complexes are characterized by distorted octahedral geometries stabilized by hydrogen bonding and weak pi center dot center dot center dot pi interaction. The complexes demonstrate intense fluorescence bands in comparison with their corresponding ligands with well-distinguished intensity. The complexes act as efficient catalysts in various transesterification reactions. Among those, the best results have been achieved with complex 3 in conversion of 4-nitrophenylacetate into methyl acetate within 3 h.
引用
收藏
页码：2516 / 2521
页数：6
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