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Ruthenium(II) complexes containing N(4)-tolyl-2-acetylpyridine thiosemicarbazones and phosphine ligands: NMR and electrochemical studies of cis-trans isomerization

Authors
  • GRAMINHA, Angelica E.
  • BATISTA, Alzir A.
  • ELLENA, Javier
  • CASTELLANO, Eduardo Ernesto
  • TEIXEIRA, Leticia R.
  • MENDES, Isolda C.
  • BERALDO, Heloisa
Publication Date
Jan 01, 2008
Source
Biblioteca Digital da Produção Intelectual da Universidade de São Paulo (BDPI/USP)
Keywords
Language
English
License
Unknown
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Abstract

[Ru(HL)(PPh3)(2)Cl]Cl complexes have been obtained in which HL = N(4)-ortho (complex 1), N(4)-meta (complex 2) and N(4) pctratolyl 2-acetylpyridine thiosemicarbazone (complex 3). NMR and electrochemical studies indicate that both cis and trans isomers exist in solution, and that the cis isomers are converted into the trans isomers with time. Crystal structure determination of (1) reveals that the traps isomer is formed in the solid state. (c) 2007 Elsevier B.V. All rights reserved.

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