期刊
RUSSIAN JOURNAL OF COORDINATION CHEMISTRY
卷 28, 期 12, 页码 851-855出版社
MAIK NAUKA/INTERPERIODICA
DOI: 10.1023/A:1021634328993
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Ni(II) chelate with (3S)-3-hydroxyaniinocaran-4-one E-oxime (H2L) of composition Ni(HL)(2) . 2H(2)O was synthesized. The compound is diamagnetic, which suggests the square-planar structure of a NiN4 coordination unit. The electronic absorption spectroscopy and EPR methods were used to study its oxidative dehydrogenation in benzene resulting in a compound containing nitroxyl radicals Ni(HL.)(2) and exhibiting strong antiferromagnetic exchange coupling of unpaired electrons of the radicals. An intermediate paramagnetic form Ni(HL)(HL.) was discovered by the EPR method.
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