Living Polymerization of Phenylacetylene Catalyzed by a Cationic Rh Complex Bearing Tetrafluorobenzobarrelene

Living Polymerization of Phenylacetylene Catalyzed by a Cationic Rh Complex Bearing Tetrafluorobenzobarrelene

Living polymerization of phenylacetylene (PA) was achieved with new catalyst systems composed of a cationic rhodium complex, [(tfb)Rh(PPh3)2]BPh4 (2, tfb = tetrafluorobenzobarrelene) and amines as cocatalysts. Applying i-PrNH2 as a cocatalyst, the PDI of the formed poly(PA) was as small as 1.09. Kin...

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Veröffentlicht in:Chemistry letters 2010-03, Vol.39 (3), p.244-245
Hauptverfasser: Shiotsuki, Masashi, Onishi, Naoya, Sanda, Fumio, Masuda, Toshio
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creator Shiotsuki, Masashi
Onishi, Naoya
Sanda, Fumio
Masuda, Toshio
description Living polymerization of phenylacetylene (PA) was achieved with new catalyst systems composed of a cationic rhodium complex, [(tfb)Rh(PPh3)2]BPh4 (2, tfb = tetrafluorobenzobarrelene) and amines as cocatalysts. Applying i-PrNH2 as a cocatalyst, the PDI of the formed poly(PA) was as small as 1.09. Kinetic plots and multistage polymerization proved the livingness of the present polymerization.
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title Living Polymerization of Phenylacetylene Catalyzed by a Cationic Rh Complex Bearing Tetrafluorobenzobarrelene
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