Synthesis and characterization of poly(amidoamine)-platinum (II) complexes. Detailed n by matrix-assisted laser desorption ionization mass spectrometry (Articolo in rivista)

Type
Label
  • Synthesis and characterization of poly(amidoamine)-platinum (II) complexes. Detailed n by matrix-assisted laser desorption ionization mass spectrometry (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1016/j.jorganchem.2004.11.044 (literal)
Alternative label
  • A. Mazzaglia; L. Monsù Scolaro; D. Garozzo; P. Malvagna; R. Romeo (2005)
    Synthesis and characterization of poly(amidoamine)-platinum (II) complexes. Detailed n by matrix-assisted laser desorption ionization mass spectrometry
    in Journal of organometallic chemistry (Print)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • A. Mazzaglia; L. Monsù Scolaro; D. Garozzo; P. Malvagna; R. Romeo (literal)
Pagina inizio
  • 1978 (literal)
Pagina fine
  • 1985 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 690 (literal)
Rivista
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • Istituto per lo Studio dei Materiali Nanostrutturati (ISMN-CNR), Messina, Italy; Dipartimento di Chimica Inorganica, Chimica Analitica e Chimica Fisica, Universita` di Messina, Messina, Italy; Istituto di Chimica e Tecnologia dei Polimeri (ICTP-CNR), Catania, Italy; Dipartimento di Scienze Chimiche, Universita` di Catania, Catania, Italy (literal)
Titolo
  • Synthesis and characterization of poly(amidoamine)-platinum (II) complexes. Detailed n by matrix-assisted laser desorption ionization mass spectrometry (literal)
Abstract
  • MALDI and ESI-MS have been applied to the characterization of the reaction products between the labile cis-[Pt(DMSO)2Cl2] (1) and trans-[Pt(DMSO)2Cl(CH3)] (2) complexes with the simplest poly(amidoamine) ligand (PAMAM, G = 0, 1,2-diaminoethane as core). The comparison of the mass spectra of the starting G0 and those of the metallo-dendrimers formed upon mixing of the reagents in an equimolecular ratio, and the analysis of the isotopic distribution in the ESI spectra, have revealed the formation of cationic and neutral mononuclear complexes with PAMAM as ligand, e.g., cis-[Pt(DMSO)(PAMAM)Cl]Cl or trans- (C,N)[Pt(DMSO)(PAMAM)Cl(CH3)], together with various minor components, which have been identified as derivatives from defective structures of PAMAM. The geometry of the main products has been deduced from the values of the protons coupling constants with the isotopically abundant 195Pt. The metal-to-ligand bond is restricted to the peripheral amino groups of PAMAM which shows sufficient flexibility to involve either one or two branches in the coordination bonding. (literal)
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