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- W1574306997 abstract "As chain-growth polymerization generally forms aliphatic main chains containing units such as alkylene and alkenylene, the method has rarely been applied to the construction of arylene units. Thus, the formation/introduction of arylene groups via chain-growth polymerization remains a challenging subject in polymer chemistry. In this study, we report a formal aryne/ethylene copolymerization using [2.2.1]oxabicyclic alkenes as aryne equivalents. A palladium-catalyzed copolymerization of [2.2.1]oxabicyclic alkenes with ethylene followed by acid-promoted dehydration produced novel aryne/ethylene copolymers. The use of a bulky phosphine–sulfonate ligand was essential to obtain the desired copolymers with high molecular weight. We report a formal aryne/ethylene copolymerization using [2.2.1]oxabicyclic alkenes as aryne equivalents. A palladium-catalyzed copolymerization of [2.2.1]oxabicyclic alkenes with ethylene followed by acid-promoted dehydration produced novel aryne/ethylene copolymers. The use of a bulky phosphine–sulfonate ligand was essential to obtain the desired copolymers with high molecular weight. The present study provides a useful method for the introduction of o-arylene units into the main chains of polyethylene." @default.
- W1574306997 created "2016-06-24" @default.
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- W1574306997 date "2015-05-13" @default.
- W1574306997 modified "2023-10-17" @default.
- W1574306997 title "Formal aryne/ethylene copolymerization to form polyethylene containing o-arylene units in the main chain" @default.
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- W1574306997 doi "https://doi.org/10.1038/pj.2015.27" @default.
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