手性水楊醛類Schiff-base過渡金屬配合物的合成、結(jié)構(gòu)及生物活性研究
[Abstract]:Chiral Schiff-base refers to a class of organic ligands with C- N- functional groups and chiral centers. Because of the presence of nitrogen and other hetero-atoms in the molecule, the ligand has a good complexing ability. A series of transition metal complexes can be formed by complexing with different transition metal ions. This series of compounds has unique structural characteristics and excellent specificity, which has led to extensive and in-depth research and application in various fields. Especially the chiral Schiff-base complexes of salicylic aldehydes contain functional groups and have some physical and chemical properties and good bactericidal properties which are required by various life phenomena. The biological activities such as anti-tumor have been paid much attention by researchers. Therefore, a series of novel chiral salicylic aldehydes Schiff-base transition metal complexes were synthesized from salicylaldehyde derivatives and chiral amino alcohols by the design and synthesis of chiral salicylic aldehydes Schiff-base ligands Schiff-base ligands and transition metal salts such as MnCU Ni, respectively. The structures of the complexes were analyzed by UV-Vis-FT-IR, and the crystal structures of 13 of the complexes were characterized by X-ray single crystal diffraction. In addition, the interaction of Schiff-base complexes with CT-DNA (calf thymus DNA) and BSA (bovine serum albumin) was studied by using various spectroscopic methods and molecular docking models. The antitumor activity and the inductive activity of intracellular reactive oxygen species (Ros) of the complexes were also studied by MTT method. The specific research in this paper is as follows: 1. Chiral salicylaldehyde ligands (including (S) / (R) -H2L1 = (S) / (R) -2-amino-1-butanol; (S) / (R) -H2L2 = (S) / (R) -2-amino-1-butanol -5-chlorsalicylaldehyde) and their transition metal complexes were synthesized from salicylaldehyde derivatives and (R) / (S) -2-amino-1-butanol and their transition metal complexes. The crystal structures of five of the complexes were characterized by X-single crystal diffraction. The in vitro antitumor activity and interaction with biomolecules (DNA/BSA) of this series of Schiff-base complexes were studied in detail. Second, chiral salicylaldehyde Schiff-base ligands were synthesized from 5-chlorosalicylaldehyde and o-vanillin and chiral (R) / (S) -phenylglycinol (including (S / R) -H2L3, 5-chlorsalicylaldehyde (S) / (R) -phenylglycinol S-H2L4 = o-vanillin shrink--Sphenylglycinol). The synthesized ligand was further reacted with manganese acetate and copper acetate to obtain corresponding copper and manganese Schiff-base complexes. The crystal structure of the three complexes was characterized by X-ray diffraction, and the interaction and binding between their anticancer activity and DNA/BSA in vitro were studied. (3) the chiral ligand (S) / (R) -H2L5, 2-hydroxy-4-methoxy benzaldehyde, (S) / (S) / (R) -phenylalanine, was synthesized from (R) / (S) -phenylalanine and the ligand was then treated with nickel acetate. The corresponding complexes were obtained by further reaction of manganese acetate and copper acetate. The crystal structures of five of the complexes were characterized by X-ray diffraction, and their anticancer activity and interaction with DNA/BSA in vitro were studied.
【學(xué)位授予單位】:聊城大學(xué)
【學(xué)位級別】:碩士
【學(xué)位授予年份】:2017
【分類號】:O641.4
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