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Living (co)polymerization of ethylene and bio-based furfuryl acrylate using dibenzobarrelene derived α-diimine palladium catalystsElectronic supplementary information (ESI) available: Detailed NMR spectra of palladium complexes and the crystal data of 2 and FA-Pd. CCDC 1892475 and 1892844. For ESI and crystallographic data in CIF or other electronic format see DOI: 10.1039/c9py00126c
Erscheinungsjahr
2019-04
Quelle
Alma/SFX Local Collection
Beschreibungen/Notizen
Catalyzed copolymerization of petroleum-based ethylene and bio-based polar monomers is of significant interest because of their renewable character and functionalization. In this study, we reported a series of dibenzobarrelene-derived α-diimine palladium complexes for the (co)polymerization of ethylene and bio-based furfuryl acrylate (FA). The differences of ethylene polymerization between the
in situ
activation of the neutral chloromethylpalladium complex and the well-defined cationic palladium catalyst were initially studied. Increasing the steric bulk on the ligand backbone enhanced the tolerance of palladium catalysts toward the polar monomer. Living (co)polymerizations of ethylene and furfuryl acrylate were realized using dibenzobarrelene-derived α-diimine palladium catalysts. A mechanistic study showed that furfuryl acrylate is inserted into a Pd-Me bond in a 2,1-mode without interactions between the furyl ring and the palladium center, and then the primary product is rearranged into a six-membered chelate palladium by rapid isomerization.
Living (co)polymerizations of petroleum-based ethylene and bio-based furfuryl acrylate were realized using dibenzobarrelene-derived α-diimine palladium catalysts.
Sprache
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Identifikatoren
ISSN: 1759-9954
eISSN: 1759-9962
DOI: 10.1039/c9py00126c
Titel-ID: cdi_rsc_primary_c9py00126c
Format
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