Inhibitory Role of Carbon Monoxide in Palladium(II)-Catalyzed Nonalternating Ethene/Carbon Monoxide Copolymerizations and the Synthesis of Polyethene-block-poly(ethene-alt-carbon monoxide)

Inhibitory Role of Carbon Monoxide in Palladium(II)-Catalyzed Nonalternating Ethene/Carbon Monoxide Copolymerizations and the Synthesis of Polyethene-block-poly(ethene-alt-carbon monoxide)

We report the first well-defined palladium-based system for the living homopolymerization of ethene, as well as the living copolymerization of ethene with carbon monoxide. We demonstrate this by the synthesis of polyethene-block-poly(ethene-alt-carbon monoxide). In addition, it has been possible to...

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Veröffentlicht in:Organometallics 2007-07, Vol.26 (15), p.3636-3638
Hauptverfasser: Newsham, David K, Borkar, Sachin, Sen, Ayusman, Conner, David M, Goodall, Brian L
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container_issue 15
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container_title Organometallics
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creator Newsham, David K
Borkar, Sachin
Sen, Ayusman
Conner, David M
Goodall, Brian L
description We report the first well-defined palladium-based system for the living homopolymerization of ethene, as well as the living copolymerization of ethene with carbon monoxide. We demonstrate this by the synthesis of polyethene-block-poly(ethene-alt-carbon monoxide). In addition, it has been possible to monitor chain growth by sequential insertions of carbon monoxide and ethene into palladium−carbon bonds. The mechanistic studies have also allowed us to pinpoint the hitherto not well-understood reason for the general failure to obtain alkene/carbon monoxide copolymers with low carbon monoxide content.
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title Inhibitory Role of Carbon Monoxide in Palladium(II)-Catalyzed Nonalternating Ethene/Carbon Monoxide Copolymerizations and the Synthesis of Polyethene-block-poly(ethene-alt-carbon monoxide)
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