本工作描述了两种 Cu (II) 配合物与香豆素-3-甲酰基-(3-(氨基甲基) 吡啶) 配体 ( L ) - C1 (Cu 2 L 2 (OAc) 4 )的合成、抗癌活性和电子结构研究和C2 (CuL 2 (NO 3 ) 2 )。C1和C2的结构通过元素分析、FTIR和单晶X射线分析确定。复合物C1结晶为双核,其中两个 Cu (II) 离子由四个乙酸盐配体桥接,而C2是具有扭曲八面体几何结构的单核络合物。密度泛函理论 (DFT) 计算表明,电子跃迁源自金属-配体电荷转移和金属离子的d - d跃迁。根据UV-Vis和荧光滴定的结果,C1和C2与DNA的结合常数分别为6.9×10 5 M -1和5.9×10 5 M -1 。对四种癌细胞系(HeLa、HepG2、MCF-7 和 A549)和正常 HUVEC 细胞系的体外细胞毒性测定表明,与顺铂相比,C2具有更高的抗 MCF-7 活性(IC
This work describes the synthesis, anticancer activity and electron structure study of two Cu (II) complexes with coumarin-3-formyl-(3-(aminomethyl) pyridine) ligand (L) - C1 (Cu2L2(OAc)4) and C2 (CuL2(NO3)2). The structure of C1 and C2 was confirmed by elemental analysis, FTIR, and single-crystal X-ray analysis. Complex C1 crystallizes as binuclear where two Cu (II) ions are bridged by four acetate
本工作描述了两种 Cu (II) 配合物与香豆素-3-甲酰基-(3-(氨基甲基) 吡啶) 配体 ( L ) - C1 (Cu 2 L 2 (OAc) 4 )的合成、抗癌活性和电子结构研究和C2 (CuL 2 (NO 3 ) 2 )。C1和C2的结构通过元素分析、FTIR和单晶X射线分析确定。复合物C1结晶为双核,其中两个 Cu (II) 离子由四个乙酸盐配体桥接,而C2是具有扭曲八面体几何结构的单核络合物。密度泛函理论 (DFT) 计算表明,电子跃迁源自金属-配体电荷转移和金属离子的d - d跃迁。根据UV-Vis和荧光滴定的结果,C1和C2与DNA的结合常数分别为6.9×10 5 M -1和5.9×10 5 M -1 。对四种癌细胞系(HeLa、HepG2、MCF-7 和 A549)和正常 HUVEC 细胞系的体外细胞毒性测定表明,与顺铂相比,C2具有更高的抗 MCF-7 活性(IC
Synthesis, crystal structure and DFT calculations of a new coumarin-amide binuclear Cu (II) complex
Cu (II) complex, [Cu2L2 (NO3)4] (3) has been synthesized via complexation of Cu(NO3)2·3H2O with coumarin -3- formyl - (3- (aminomethyl) pyridine (L). The crystal structure of L and the complex (3) have been determined by single-crystal X-ray diffraction. The molecular units of L are linked into one dimensional parallel to the b direction via N–H⋯O and C–H⋯O hydrogenbonds. The Cu (II) complex (3) has