Two mixed-valence CuII/CuI and two heterometallic CuII/AgI metallocycles have been synthesized by the assembly of designed metalloligands and CuI/AgI ions, respectively.
A triangular prismatic metal–organic
cage based on mixed valence copper ions has been designed and synthesized
by using metallocycle panels and pillar ligands. The triangular prism
will be quickly transformed to a 10-nuclear cage upon an external
chemical stimulus, which features a bicapped square antiprism structure.
This prismatic cage can act as a catalyst for oxidation of aromatic
alcohols to their corresponding aromatic aldehydes with high yields
at room temperature under O2 atmosphere.
Herein we report two tubular metal−organic cages (MOCs), synthesized by the self-assembly of bidentate metalloligands with different lengths and Pd II . These two MOCs feature Pd 4 L 8 -type square tubular and Pd 3 L 6 -type triangular cage structures, respectively. Both MOCs have been fully characterized by NMR spectroscopy, mass spectrometry, and theoretical calculation. Both cages can be employed for encapsulating polycyclic aromatic hydrocarbons and show high binding affinity toward coronene.
Herein we report a discrete heterometallic
Pd4Cu8L8 cage with a tubular structure,
which was synthesized
by the assembly of copper metalloligands and PdII ions
in a stepwise manner. The Pd4Cu8L8 cage has been unequivocally characterized by single-crystal X-ray
diffraction, electrospray ionization-mass spectroscopy, and energy
dispersive spectroscopy. The cage showed excellent catalytic activity
in the epoxidation of styrene and its derivatives under conditions
without using additional solvent, providing potential material for
catalyzing the oxidation reactions.
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