New single-site palladium catalysts for the nonalternating copolymerization of ethylene and carbon monoxide

Andrew K. Hearley, Rüdiger J. Nowack, Bernhard Rieger

Research output: Contribution to journalArticlepeer-review

108 Scopus citations

Abstract

The synthesis and first examples of structurally characterized, single-site palladium complexes containing a phosphine sulfonate chelate (PSO) for the nonalternating co-polymerization of ethylene and carbon monoxide are reported. Extra incorporation of ethylene up to 30% has been achieved relative to the alternating polyketone structure with modest activities. As exemplarily shown, high molecular weight random copolymers have been produced with Mw ≈ 370 000, polydispersity (Mw/Mn) = 2, and melting points of 220-230°C.

Original languageEnglish
Pages (from-to)2755-2763
Number of pages9
JournalOrganometallics
Volume24
Issue number11
DOIs
StatePublished - 23 May 2005
Externally publishedYes

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