Self-Assembly
of Catalytically Active Supramolecular
Coordination Compounds within Metal–Organic Frameworks
Posted on 2019-06-13 - 00:00
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 PdII SCCs within the confined space of a pre-formed
MOF (SCCs@MOF) and its post-assembly metalation to give a PdII–AuIII supramolecular 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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Adam, Rosa; Mon, Marta; Greco, Rossella; Kalinke, Lucas H. G.; Vidal-Moya, Alejandro; Fernandez, Antonio; et al. (2019). Self-Assembly
of Catalytically Active Supramolecular
Coordination Compounds within Metal–Organic Frameworks. ACS Publications. Collection. https://doi.org/10.1021/jacs.9b03914
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AUTHORS (12)
RA
Rosa Adam
MM
Marta Mon
RG
Rossella Greco
LK
Lucas H. G. Kalinke
AV
Alejandro Vidal-Moya
AF
Antonio Fernandez
RE
Richard E. P. Winpenny
AD
Antonio Doménech-Carbó
AL
Antonio Leyva-Pérez
DA
Donatella Armentano
EP
Emilio Pardo
JF
Jesús Ferrando-Soria
KEYWORDS
post-assembly metalationnovel SCCschemical nanoreactorspre-formed MOFsynergetic hybridizationmetal-based supramolecular catalysisIII supramolecular assemblycoordination chemistry methodologiesmetal atomsboronic acidsmetal-based catalystsSupramolecular Coordination CompoundsPd II SCCsrepresentative multi-site metal-catalyzed reactions