Synthesis and study of copper(II), nickel(II), and cobalt(II) complex compounds with dihydrobenzoxazine derivatives |
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| Authors: | T E Apenysheva K S Pushkareva S N Bolotin V Yu Frolov F A Kolokolov E V Gromachevskaya A A Borodavko T P Kosulina |
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| Institution: | (1) Kuban State University, ul. Stavropol’skaya 149, Krasnodar, 350040, Russia;(2) Kuban State Technological University, Krasnodar, Russia |
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| Abstract: | Complex compounds ML2 of copper(II), nickel(II), and cobalt(II) with 2-(2-hydroxy-5-nitrophenyl)-4,4-diphenyl-1,4-dihydro-2H-3,1-benzoxazine and 2-(2-hydroxyphenyl)-4,4-diphenyl-1,4-dihydro-2H-3,1-benzoxazine (HL) were prepared by electrochemical and chemical syntheses. The complex formation involves the azomethine form of the ligand and gives a six-membered chelate cycle comprising deprotonated phenol and azomethine groups. The coordination entity has a planar structure with trans arrangement of the nitrogen and oxygen atoms. |
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