New Sulfanyl- and Selanyl-Substituted Schiff BasesDerived from 2-Chalcogenoalkylamines and Aromatic Aldehydes.Synthesis and Complex Formation Reactionsстатья

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Дата последнего поиска статьи во внешних источниках: 20 сентября 2013 г.

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[1] New sulfanyl- and selanyl-substituted schiff basesderived from 2-chalcogenoalkylamines and aromatic aldehydes.synthesis and complex formation reactions / A. N. Chernysheva, E. K. Beloglazkina, R. L. Antipin et al. // Russian Journal of General Chemistry. — 2013. — Vol. 83, no. 2. — P. 311–318. A number of β-phenyl(or benzyl)selanyl- and β-phenylsulfanyl-substituted imines Received December 19, 2011 Abstract—A number of β-phenyl(or benzyl)selanyl- and β-phenylsulfanyl-substituted imines possessing an additional donor nitrogen, oxygen, or sulfur atom were synthesized by reaction of 2-phenylsulfanylethanamine, 2-phenylsulfanylcyclohexanamine, 2-phenylselanylcyclohexanamine, and 2-benzylselanylaniline with salicylaldehyde, 2-pyridinecarbaldehyde, or 2-tert-butylsulfanylbenzaldehyde. The resulting Schiff bases were tested as ligands in the complex formation with nickel(II) and copper(II), and mononuclear (L–H)MCl or LMCl2 coordination compounds were isolated (L = sulfur- or selenium-containing imine). The redox properties of the selenium-containing ligands and complexes were studied by cyclic voltammetry. The complexes were found to undergo reduction of the metal ion in two one-electron steps. The reduction of the copper complexes is reversible, and of the nickel complexes, irreversible. [ DOI ]

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