Synthesis and properties of copper(II) complexes with a chiral dioxatetraazamacrocyclic ligand based on a natural monoterpene, (+)-3-carene |
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| Authors: | S V Larionov L I Myachina L A Sheludyakova E G Boguslavskii S N Bizyaev A V Tkachev |
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| Institution: | (1) Nikolaev Institute of Inorganic Chemistry, Siberian Division, Russian Academy of Sciences, pr. Akademika Lavrent’eva 3, Novosibirsk, 630090, Russia;(2) Vorozhtsov Institute of Organic Chemistry, Siberian Division, Russian Academy of Sciences, pr. Akademika Lavrent’eva 9, Novosibirsk, 630090, Russia |
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| Abstract: | The copper(II) compounds CuL](NO3)2 · H2O (I), CuL](ClO4)2 · H2O (II), CuLCl2 · 3H2O (III), and CuLBr2 · 4H2O (IV), where L is a chiral dioxatetraazamacrocyclic ligand based on the natural monoterpene (+)-3-carene, have been synthesized. According to IR and EPR spectroscopy, L acts as a tetradentate chelating ligand coordinated through the N atoms of the NH and C=N groups. The NO 3 ? anions in I and the ClO 4 ? anions in II are outer-sphere. I and II have a planar coordination core CuN4, III has a CuN4ClO coordination core, and IV has a CuN4Br2 coordination core. |
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