Publikation: Recoverable Catalysts Noncovalently Bound to a Hyperbranched Polyelectrolyte
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2005
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Schwab, Ernst
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Organometallics. 2005, 24(15), pp. 3758-3763. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om050266k
Zusammenfassung
Polyelectrolytes with Ph2P(C6H4-p-SO3-) counterions were prepared by ion exchange from hyperbranched polycations with a polyglycerol-based polyether scaffold and 1,2-dimethylimidazolium end groups. Upon exposing a mixture of the polyelectrolyte with [Rh(acac)-(CO)2] in DMSO-d6 to 1 atm CO/H2, a large portion of the rhodium precursor is converted to [(phosphine)3Rh(H)(CO)]. Hydroformylation of 1-hexene in methanol as a model reaction proceeds with moderate activities at 80°C, 30 bar CO/H2. The polyelectrolyte-bound catalyst was recovered by ultrafiltration and reused up to three times.
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SCHWAB, Ernst, Stefan MECKING, 2005. Recoverable Catalysts Noncovalently Bound to a Hyperbranched Polyelectrolyte. In: Organometallics. 2005, 24(15), pp. 3758-3763. ISSN 0276-7333. eISSN 1520-6041. Available under: doi: 10.1021/om050266kBibTex
@article{Schwab2005Recov-9678,
year={2005},
doi={10.1021/om050266k},
title={Recoverable Catalysts Noncovalently Bound to a Hyperbranched Polyelectrolyte},
number={15},
volume={24},
issn={0276-7333},
journal={Organometallics},
pages={3758--3763},
author={Schwab, Ernst and Mecking, Stefan}
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<dcterms:abstract xml:lang="eng">Polyelectrolytes with Ph2P(C6H4-p-SO3-) counterions were prepared by ion exchange from hyperbranched polycations with a polyglycerol-based polyether scaffold and 1,2-dimethylimidazolium end groups. Upon exposing a mixture of the polyelectrolyte with [Rh(acac)-(CO)2] in DMSO-d6 to 1 atm CO/H2, a large portion of the rhodium precursor is converted to [(phosphine)3Rh(H)(CO)]. Hydroformylation of 1-hexene in methanol as a model reaction proceeds with moderate activities at 80°C, 30 bar CO/H2. The polyelectrolyte-bound catalyst was recovered by ultrafiltration and reused up to three times.</dcterms:abstract>
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