Reactivity of the [M(PS)2](+) Building Block (M = Re(III) and (99m)Tc(III); PS = Phosphinothiolate) toward Isopropylxanthate and Pyridine-2-thiolate. (Articolo in rivista)

Type
Label
  • Reactivity of the [M(PS)2](+) Building Block (M = Re(III) and (99m)Tc(III); PS = Phosphinothiolate) toward Isopropylxanthate and Pyridine-2-thiolate. (Articolo in rivista) (literal)
Anno
  • 2015-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1021/ic502632h (literal)
Alternative label
  • Salvarese N.; Dolmella A.; Refosco F.; Bolzati C. (2015)
    Reactivity of the [M(PS)2](+) Building Block (M = Re(III) and (99m)Tc(III); PS = Phosphinothiolate) toward Isopropylxanthate and Pyridine-2-thiolate.
    in Inorganic chemistry (Online)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Salvarese N.; Dolmella A.; Refosco F.; Bolzati C. (literal)
Pagina inizio
  • 1634 (literal)
Pagina fine
  • 44 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://pubs.acs.org/doi/abs/10.1021/ic502632h (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 54 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 4 (literal)
Note
  • PubMe (literal)
  • ISI Web of Science (WOS) (literal)
  • Scopu (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1 : Dipartimento di Scienze Chirurgiche, Oncologiche e Gastroenterologiche, Università Degli Studi di Padova, via Gattamelata 64, Padua, Italy / 2 : Dipartimento di Scienze Del Farmaco, Università Degli Studi di Padova, Via Marzolo 5, Padua, Italy / 3,4 : IENI-CNR, Corso Stati Uniti 4, Padua, Italy (literal)
Titolo
  • Reactivity of the [M(PS)2](+) Building Block (M = Re(III) and (99m)Tc(III); PS = Phosphinothiolate) toward Isopropylxanthate and Pyridine-2-thiolate. (literal)
Abstract
  • The coordination properties of isopropylxanthate (i-Pr-Tiox) and pyridine-2-thiolate (PyS) toward the [M(PS)2](+) moiety (M = Re and (99m)Tc; PS = phosphinothiolate) were investigated. Synthesis and full characterization of [Re(PS2)2(i-Pr-Tiox)] (Re1), [Re(PSiso)2(i-Pr-Tiox)] (Re2), [Re(PS2)2(PyS)] (Re3), and [Re(PSiso)2(PyS)] (Re4), where PS2 = 2-(diphenylphosphino)ethanethiolate and PSiso = 2-(diisopropylphosphino)ethanethiolate, and the structural X-ray analysis of complex Re3 were carried out. (99m)Tc analogues of complexes Re2 ((99m)Tc2) and Re4 ((99m)Tc4) were obtained in high radiochemical yield following a simple one-pot procedure. The chemical identity of the radiolabeled compounds was confirmed by chromatographic comparison with the corresponding rhenium complexes and by dual radio/UV HPLC analysis combined with ESI(+)-MS of (99g/99m)Tc complexes prepared in carrier-added conditions. The two radiolabeled complexes were stable with regard to trans chelation with cysteine, glutathione, and ethylenediaminotetraacetic acid and in rat and human sera. This study highlights the substitution-inert metal-fragment behavior of the [M(PS)2](+) framework, which reacts with suitable bidentate coligands to form stable hexacoordinated asymmetrical complexes. This feature makes it a promising platform on which to develop a new class of Re/Tc complexes that are potentially useful in radiopharmaceutical applications. (literal)
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