Palladium(II) complexes of 4-formylantipyrine N(3)-substituted thiosemicarbazones: first example of X-ray crystal structure and description of bonding properties (Journal article)

Yadav, P. N./ Demertzis, M. A./ Kovala-Demertzi, D./ Skoulika, S./ West, D. X.

Reaction of 4-formylantipyrine with thiosemicarbazide, N(3)-methylthiosemicarbazide and N(3)-ethylthiosemicarbazide produced the expected thiosemicarbazones, 1, 2 and 3. The three thiosemicarbazones were then reacted with K2PdCl4 to produce [Pd(NS)(2)] complexes, 4, 5, and 6, respectively, with coordination by the imine nitrogen and thiolate sulfur of the anionic thiosemicarbazone moiety. The thiosemicarbazones and their palladium complexes have been characterized by spectral IR, UV-Vis and H-1, C-13 NMR and electrochemical techniques. The crystal structure of 6 has been obtained and found to be highly symmetrical with a trans arrangement of the two bidentate ligands. (K) (C) 2003 Elsevier Science B.V. All rights reserved.
Institution and School/Department of submitter: Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Χημείας
Keywords: antipyrine,thiosemicarbazone,palladium,crystal structure,spectral study,electrochemistry,pyridine n-oxides,copper(ii) complexes,heterocyclic thiosemicarbazones,spectral properties,n(4)-substituted thiosemicarbazones,zinc(ii) complexes,antitumor-activity,metal-complexes,platinum(ii) complexes,2-acetyl pyridine
ISSN: 0020-1693
Link: <Go to ISI>://000183673100005
Appears in Collections:Άρθρα σε επιστημονικά περιοδικά ( Ανοικτά)

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