Journal
JOURNAL OF THE AMERICAN CHEMICAL SOCIETY
Volume 141, Issue 26, Pages 10350-10360Publisher
AMER CHEMICAL SOC
DOI: 10.1021/jacs.9b03914
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Funding
- MINECO (Spain) [CTQ2016-75671-P, 2017-86735-P]
- Excellence Unit Severn Ochoa [SEV-2016-0683, MDM-2015-0538]
- Excellence Unit Maria de Maeztu [SEV-2016-0683, MDM-2015-0538]
- Ministero dell'Istruzione, dell'Universita e della Ricerca (Italy)
- Engineering and Physical Sciences Research Council (UK)
- MINECO
- European Research Council under the European Union's Horizon 2020 research and innovation programme/ERC [814804]
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Supramolecular coordination compounds (SCCs) represent the power of coordination chemistry methodologies to self-assemble discrete architectures with targeted properties. SCCs are generally synthesized in solution, with isolated fully coordinated metal atoms as structural nodes, thus severely limited as metal-based catalysts. Metal-organic frameworks (MOFs) show unique features to act as chemical nanoreactors for the in situ synthesis and stabilization of otherwise not accessible functional species. Here, we present the self-assembly of Pd-II SCCs within the confined space of a pre-formed MOF (SCCs@MOF) and its post-assembly metalation to give a Pd-II-Au-III supra molecular assembly, crystallography underpinned. These SCCs@MOFs catalyze the coupling of boronic acids and/or alkynes, representative multi-site metal-catalyzed reactions in which traditional SCCs tend to decompose, and retain their structural integrity as a consequence of the synergetic hybridization between SCCs and MOFs. These results open new avenues in both the synthesis of novel SCCs and their use in heterogeneous metal-based supramolecular catalysis.
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