1436-59-5, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn¡¯t involve a screen. 1436-59-5, C6H14N2. A document type is Article, introducing its new discovery.
Synthesis, characterization and antimicrobial properties of mononuclear copper(II) compounds of N,N?-di(quinolin-8-yl)cyclohexane-1,2-diamine
Three new compounds of copper(II) viz. [Cu(BQCNH2)(CH3CN)](ClO4)2¡¤CH3CN 1, [Cu(BQCNH2)(bpy)](ClO4)2 2 and [Cu(BQCNH2)(phen)](ClO4)2¡¤2H2O 3 (BQCNH2 = N,N?-di(quinolin-8-yl)cyclohexane-1,2-diamine, bpy = 2,2?-bipyridine and phen = 1,10-phenanthroline) were synthesized and characterized by IR, UV?Vis, ESI-MS, EPR spectroscopy, cyclic voltammetry, magnetic and thermogravimetric analyses and X-ray diffraction. Thermal studies reveal loss of two molecules of CH3CN and water respectively for 1 and 3. Both 2 and 3 crystallize in the centrosymmetric monoclinic space group P21/n and the central metal exhibits a distorted octahedral geometry. The bidentate ligands (bpy in 2 and phen in 3) occupy cis positions of the {CuN6} octahedron while the tetradentate BQCNH2 ligand spans the remaining vertices of the octahedron. The perchlorate anions and the hexacoordinate Cu(II) species in 2 and 3 are interlinked with the aid of several N[sbnd]H?O, C[sbnd]H?O interactions. In compound 3, OH?O interactions due to lattice water are additionally observed. Density functional theory (DFT) reveals a distorted trigonal bipyramidal geometry for 1. Antimicrobial properties of 1?3 against two bacterial pathogens viz. E. coli and S. aureus were investigated. Compound 3 exhibits better activity as compared to 1 and 2.
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Reference£º
Chiral Catalysts,
Chiral catalysts – SlideShare