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Cyclopalladated Azo-linked Porous Polymers in C-C Bond Forming Reactions
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK). Mid Sweden University, Sweden.
Stockholm University, Faculty of Science, Department of Materials and Environmental Chemistry (MMK).
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Number of Authors: 5
2016 (English)In: ChemistrySelect, ISSN 2365-6549, Vol. 1, no 18, 5801-5804 p.Article in journal (Refereed) Published
Abstract [en]

We designed a new cyclopalladated porous polymer (cyclo-Pd (II)/PP-2) with up to 20.7 wt% of Pd and investigated it as a heterogeneous catalyst for C-C bond-forming transformations. It was also shown to be an effective scavenger for Pd2+ in solution. The palladacycles formed along the backbone of the azo-linked porous polymer (PP-2) with (Pd-N) and (Pd-C) bonds as were confirmed by a combination of spectroscopies. The cyclo-Pd(II)/PP-2 decomposed when used for Suzuki and Heck cross-coupling reactions, and acyclic-Pd/PP-2 formed with Pd nanoparticles (NPs) bound to the PP-2. The Suzuki couplings were highly efficient in water and exhibited excellent recyclability. The cyclo-Pd(II)/PP-2 was also an effective heterogeneous Lewis-acid catalyst for stereoselective carbocyclization reactions.

Place, publisher, year, edition, pages
2016. Vol. 1, no 18, 5801-5804 p.
Keyword [en]
C-C bond formation, heterogeneous catalysis, palladacycle, Pd nanoparticle, porous polymer
National Category
Chemical Sciences
Identifiers
URN: urn:nbn:se:su:diva-142590DOI: 10.1002/slct.201601296ISI: 000395427600031OAI: oai:DiVA.org:su-142590DiVA: diva2:1092675
Available from: 2017-05-03 Created: 2017-05-03 Last updated: 2017-05-03Bibliographically approved

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CiteExportLink to record
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