Mono- and Dinuclear bioxazoline-Palladium complexes for the stereocontrolled synthesis of CO/Styrene polyketones (Articolo in rivista)

Type
Label
  • Mono- and Dinuclear bioxazoline-Palladium complexes for the stereocontrolled synthesis of CO/Styrene polyketones (Articolo in rivista) (literal)
Anno
  • 2005-01-01T00:00:00+01:00 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#doi
  • 10.1002/chem.200500410 (literal)
Alternative label
  • Alessandro Scarel,[a]; Jerome Durand,[a]; Davide Franchi,[a]; Ennio Zangrando,[a]; Giovanni Mestroni,[a]; Carla Carfagna,[b]; Luca Mosca,[b]; Roberta Seraglia,[c]; Giambattista Consiglio,[d]; Barbara Milani*[a] (2005)
    Mono- and Dinuclear bioxazoline-Palladium complexes for the stereocontrolled synthesis of CO/Styrene polyketones
    in Chemistry - A European Journal; WILEY-V C H VERLAG GMBH, WEINHEIM (Germania)
    (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#autori
  • Alessandro Scarel,[a]; Jerome Durand,[a]; Davide Franchi,[a]; Ennio Zangrando,[a]; Giovanni Mestroni,[a]; Carla Carfagna,[b]; Luca Mosca,[b]; Roberta Seraglia,[c]; Giambattista Consiglio,[d]; Barbara Milani*[a] (literal)
Pagina inizio
  • 6014 (literal)
Pagina fine
  • 6023 (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#url
  • http://onlinelibrary.wiley.com/doi/10.1002/chem.200500410/abstract (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroVolume
  • 11 (literal)
Rivista
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#numeroFascicolo
  • 20 (literal)
Note
  • Scopu (literal)
  • ISI Web of Science (WOS) (literal)
Http://www.cnr.it/ontology/cnr/pubblicazioni.owl#affiliazioni
  • 1-5,10 : Dipartimento di Scienze Chimiche,UniversitA di Trieste Via Licio Giorgieri 1, 34127 Trieste (Italy) / 6,7 : Istituto di Scienze Chimiche, UniversitA di Urbino Piazza Rinascimento 6, 61029 Urbino (Italy) / 8 : CNR, Istituto di Scienze e Tecnologie Molecolari Sez. di Padova Via Marzolo 1, 35020 Padova (Italy) / 9 : Eidgençssische Technische Hochschule Institut fIr Chemie- und Bioingenieurwissenschaften ETH-Hçnggerberg 8093 ZIrich (Switzerland) (literal)
Titolo
  • Mono- and Dinuclear bioxazoline-Palladium complexes for the stereocontrolled synthesis of CO/Styrene polyketones (literal)
Abstract
  • Abstract: The coordination chemistry of the chiral bioxazoline ligand (4S,4'S)-2,2'-bis(4-isopropyl-4,5-dihydrooxazole) to PdII provides evidence that the ligand bonding can occur either through chelation of one PdII ion leading to a mononuclear species with the expected cis geometry, or by double bridging of two PdII ions giving a dinuclear complex with trans geometry. The species in solution are identified by 1H NMR spectroscopy. Both the mononuclear and the dinuclear complexes promote the CO/styrene copolymerization, yielding the corresponding polyketone with a fully or a predominantly isotactic microstructure, depending on the reaction medium. The nature of the anion present in the palladium precatalysts affects the polyketone stereochemistry. MALDI-TOF analysis of the copolymers synthesized reveals the presence of p-hydroxyphenolic end-groups, thus confirming and explaining the role of 1,4-hydroquinone as a molecular weight regulator. (literal)
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