نتایج جستجو برای: cupferron ligand
تعداد نتایج: 107619 فیلتر نتایج به سال:
Addition of functionalized aryl, heteroaryl or adamantyl zinc reagents to various nitroso-arenes in the presence of magnesium salts and LiCl in THF produces after a reductive work-up with FeCl2 and NaBH4 in ethanol the corresponding polyfunctional secondary amines in high yields.
In this article a novel, sensitive and selective cathodic adsorptive stripping procedure is reported for determining of lead. The method is based on adsorptive accumulation of PbN-Nitrozo-N-Phenylhydroxylamine on a hanging mercury drop electrode, followed by the reduction of adsorbed specie by voltammetric scan while followed differential pulse modulation. The optimum conditions for analysis of...
Five rare earth complexeslanthanum(III),praseodymium(III),neodymium(III), samarium(III) and europium(III) have been synthesized from Schiff base ligand (N,N-bis (2-hydroxy-1-naphthylidene) acetylhydrazone). The complexes were characterized based on elemental analysis, molar conductance, ultraviolet, infrared, mass, thermogravimetric and powder X-ray diffraction studies. Infrared spectra sug...
macrocyclic heterobinuclear zn(ii)–cu(ii) complexes with phenol based dicompartmental ligands possessing contiguous hexa- and penta-coordination sites were prepared by a stepwise procedure. the ligands include similar n4o2 and dissimilar n(imine)3o2 and n(amine)3o2 coordination sites sharing two phenolic oxygen atoms. the six-coordination site comprises two pyridyl pendant arms on the amine nit...
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