Synthesis, spectroscopic characterization, X-ray structure and biological screenings of organotin(IV) 3-[(3,5-dichlorophenylamido)]propanoates
作者:Farooq Ali Shah、Muhammad Sirajuddin、Saqib Ali、Syed Mustansar Abbas、Muhammad Nawaz Tahir、Corrado Rizzoli
DOI:10.1016/j.ica.2013.01.025
日期:2013.5
Six new organotin(IV) complexes with general formula R3SnL/R2SnL2 where R = CH3 (1, 4), n-C4H9 (2, 5), C6H5 (3) or C8H17 (6) and L = 3-[(3,5-dichlorophenylamido)]propanoic acid were synthesized and structurally characterized by elemental analyses, FT-IR, NMR (1H and 13C) spectral studies, and mass spectrometry. Spectroscopic results suggest that the ligand coordinate through oxygen atom of the carboxylate
六个新的有机锡(IV)配合物与通式为R 3 SNL / R 2 SNL 2,其中R = CH 3(1,4),Ñ -C 4 ħ 9(2,5),C 6 H ^ 5(3)或C合成了8 H 17(6)和L = 3-[(3,5-二氯苯基酰胺基)]丙酸,并通过元素分析,FT-IR,NMR(1 H和13C)光谱研究和质谱。光谱结果表明,配体通过羧酸根基团的氧原子配位。配合物(2)的晶体结构在锡原子周围表现出扭曲的三角-双嘧啶几何形状,而配合物(3)的晶体结构在锡原子周围表现出四面体的几何形状。复合物(1 - 6)筛选了抗真菌和抗细菌的研究,结果表明,三有机锡(IV)配合物具有针对这些微生物比二有机锡(IV)配合物更高的活性。配合物通过Sn(IV)+的静电相互作用与DNA结合 DNA磷酸基团带负电荷的氧的部分,导致变色现象。