Synthesis, structural characterization, and antibacterial activity of diorganotin complexes of Schiff base derived from 4-(diethylamino)salicylaldehyde and L-tyrosine

被引：15

作者：

Chen, Lexing ^{[1
]}

Wang, Liping ^{[1
]}

An, Wugai ^{[1
]}

Wang, Ruili ^{[1
]}

Tian, Laijin ^{[1
]}

机构：

[1] Qufu Normal Univ, Key Lab Nat Prod & Pharmaceut Intermediates, Qufu, Shandong, Peoples R China

来源：

INORGANIC AND NANO-METAL CHEMISTRY | 2020年 / 50卷 / 09期

关键词：

Organotin; antibacterial activity; Schiff base; fluorescence; crystal structure; CRYSTAL-STRUCTURES; THIOCARBONOHYDRAZONE SYNTHESIS; ORGANOTIN(IV) COMPLEXES; 2-BENZOYLPYRIDINE; GALLIUM(III); BISMUTH(III); ACID;

D O I：

10.1080/24701556.2020.1727515

中图分类号：

O61 [无机化学];

学科分类号：

070301 ; 081704 ;

摘要：

Four new diorganotin complexes of Schiff base derived from 4-(diethylamino)salicylaldehyde and L-tyrosine, R2Sn[2-O-4-Et2NC6H3CH=NCH(CH2C6H4OH-4)COO] (R = Me (1), Et (2), Cy (3), Ph (4)), were synthesized by the one-pot reaction of L-tyrosine, 4-(diethylamino)salicylaldehyde and diorganotin dichloride in the presence of triethylamine and characterized by means of elemental analysis, IR, H-1 and C-13 NMR spectra, and the X-ray single-crystal diffraction. X-Ray analyses of 1-4 revealed that the tin atoms of the complexes exhibit seriously distorted trigonal-bipyramidal geometries with a monodentate carboxylate oxygen atom and a phenolic oxygen atom occupying the axial positions. The intermolecular O & x2500;H...O hydrogen bonds and Sn...O weak interactions connected the molecules into one-dimensional supramolecular chain. Bioassay results indicated that 1-4 had moderate antibacterial activity against Escherichia coli and the fluorescence determinations show the complexes may be explored for potential luminescent materials.

引用

页码：872 / 879

页数：8

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