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Issue 44, 2019
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Investigating the isolation and interconversion of two diastereoisomers in an octahedral system

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Abstract

Two diastereoisomers of bis(2-benzoylpyridine-O,N)dichloridonickel(II) have been isolated from the reactions of nickel(II) chloride hexahydrate and the organic ligand depending on the reaction solvent (ethanol, acetonitrile) used. DFT studies indicate that one of the isomers is more stable in both solvents, but nevertheless different diastereoisomers are crystallized from the two solvents. The two complexes represent the first pair of well characterized diastereoisomers in the coordination chemistry of 2-pyridyl ketones, providing a new example in the chemistry of octahedral Image ID:c9nj04876f-t2.gif complexes (A = a monodentate ligand, Image ID:c9nj04876f-t3.gif = an unsymmetrical bidentate chelate).

Graphical abstract: Investigating the isolation and interconversion of two diastereoisomers in an octahedral system

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Publication details

The article was received on 25 Sep 2019, accepted on 18 Oct 2019 and first published on 28 Oct 2019


Article type: Letter
DOI: 10.1039/C9NJ04876F
New J. Chem., 2019,43, 17141-17145

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    Investigating the isolation and interconversion of two diastereoisomers in an octahedral Image ID:c9nj04876f-t1.gif system

    P. Danelli, S. T. Tsantis, A. Kitos, V. Psycharis, C. P. Raptopoulou, A. Tsipis and S. P. Perlepes, New J. Chem., 2019, 43, 17141
    DOI: 10.1039/C9NJ04876F

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