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Three kinds of dipyrrinato nickel(II) complexes with different aromatic substituted groups on meso-carbon position have been synthesized while their properties have been studied. The aromatic substituents of investigated compounds are phenyl (2a), 2-naphthyl (2b) and 4-carbazolylphenyl (2c), respectively. All compounds were characterized by 1H and 13C NMR spectra, MS and UV–Vis absorption spectra...
Metalation of dipyrromethene (dipyrrin) (1a–c) with Ni(OAc)2 provides Ni-dipyrrole complexes (NiL2) (2a–c) in 37–47% yields. The complexes were characterized by mass spectrometry and UV–Vis absorption, 1H NMR spectroscopy and single crystal X-ray. In CH2Cl2, each compound undergoes two reversible one-electron reductions and one irreversible oxidation wave. In DMF, complexes 2a–c also undergoes two...
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