Journal
INORGANICA CHIMICA ACTA
Volume 376, Issue 1, Pages 317-324Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.ica.2011.06.045
Keywords
2-Hydroxy-1-naphthaldehyde-N(4)-phenylthiosemicarbazone; Variable coordination; Spectroscopy; X-ray crystallography; Electrochemistry
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Funding
- Department of Science and Technology, New Delhi
- Council of Scientific and Industrial Research, New Delhi
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2-Hydroxy-1-naphthaldehyde-N(4)-phenylthiosemicarbazone [H-2-Nap-ptsc] (H2L) was reacted with square planar complexes of the type [MCl2(EPh3)(2)] (where M = Ni or Pd; E = P or As) and octahedral [RuHCl(CO)(PPh3)(3)]. Square planar complexes ([Ni(Nap-ptsc)PPh3)]; [Pd(Nap-ptsc)PPh3)]; [Pd(Nap-ptsc) AsPh3)]) gave products with only ONS tri coordinated thiosemicarbazone whereas octahedral ruthenium complex gave two products, one with NS and the other with ONS coordination. It is interesting to note that NS bi coordination leads to the formation of more strained four member ring. All the new complexes have been characterised by analytical, spectral, crystallographic and electrochemical methods. (C) 2011 Elsevier B. V. All rights reserved.
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