2018
DOI: 10.1016/j.molstruc.2018.07.017
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New cobalt (II) complexes of '3-acetyl-4-hydroxy-2H-chromene-2-one': Crystal structure and Hirshfeld surface analysis, fluorescence behaviour and antioxidant activity

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Cited by 13 publications
(14 citation statements)
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“…This effect has been observed in other cobalt(II) complexes. 21 This phenomenon is known as fluorescence quenching. The comparison of the fluorescence spectra of the coordinated complex and uncoordinated coumarin (Fig.…”
Section: Fluorescence Spectramentioning
confidence: 99%
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“…This effect has been observed in other cobalt(II) complexes. 21 This phenomenon is known as fluorescence quenching. The comparison of the fluorescence spectra of the coordinated complex and uncoordinated coumarin (Fig.…”
Section: Fluorescence Spectramentioning
confidence: 99%
“…In the asymmetric unit of the crystal structure ( However, the angle between the equatorial plane (Co1-O1-O2) and the coumarin ligand (O1-O2-C12) is 2.67° which is smaller compared to the previously published compounds. 21 In addition, the angle between the two planes of pyridine in the axial position, plane 1 (C15/ C11/N5/C11 i /C15 i /C19) and plane 2 (C18/N4/C18 i /C17/ C13/C17 i ) with symmetry code: (ii) (-x, -y, -z) is 53.81°. In the packing of crystal lattice, all the complex molecules are connected by an extensive network of hydrogen bonds (Table 3) (Fig.…”
Section: Structural Studymentioning
confidence: 99%
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“…It is well-known from literature, the transition elements complexes with bidentate Lewis bases of coumarin have known during the last decades as antitumor agents [4][5]. As well as the semicarbazone of pyrazine derivatives with their metal chelate have adopted as active materials in the treatment of rare diseases [6][7]. The coordination chemistry of coumarin ligand has great interesting in the field of colorimetric determination of trace amounts of heavy metals [8].…”
Section: ■ Introductionmentioning
confidence: 99%