Journal
RUSSIAN JOURNAL OF COORDINATION CHEMISTRY
Volume 27, Issue 12, Pages 871-877Publisher
MAIK NAUKA/INTERPERIODICA
DOI: 10.1023/A:1013017213516
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Methods were developed for synthesizing the 3-Carene derivative (1R)-1-{(1R,2R,5R)-2-benzyl-3- imino-6,6-dimethylbicyclo[3.1.0]hex-2-yl}-ethanol (HL) and stable copper(II) complexes [Cu-2(H2O)L-2(CH3COO)(2)] . H2O (IV), [Cu2L2Cl2] (V), and [Cu2L2Br2] (VI). According to X-ray diffraction data, IV and V have molecular binuclear structures with a planar Cu2O2 cycle. The CuOCu angles are equal to 102.2 degrees, 102.8 degrees (IV) and 103.2 degrees, 103.8 degrees (V). The L- terpene ligand acts as a tridentate cyclic bridge. A strong antiferromagnetic exchange interaction between the unpaired electrons of the copper(II) ions was detected in compounds IV-VI using the static magnetic susceptibility method. The-2J parameter for IV, V, and VI is equal to 660, 1000, and 1060 cm(-1), respectively.
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