A porous metal–organic cage constructed from dirhodium paddle-wheels: synthesis, structure and catalysis

Chen, Lianfen; Yang, Tao; Cui, Hao; Cai, Tao; Zhang, Li; Su, Cheng‐Yong

doi:10.1039/c5ta05592j

Cited by 56 publications

(39 citation statements)

References 109 publications

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“…Strategies for tuning solubility, structure, and porosity in PCCs are exemplified in the extensive synthetic work on paddlewheel‐based systems. To date, these structures have been reported with Cu, [51, 52] Mo, [170, 197, 201] Cr, [162, 163] Ru, [202] Rh, [160, 203] Ni, [204] Co, [204] and mixed‐metal nodes [169] . Modification of cage structures through approaches to ligand functionalization or metal‐based coordination chemistry have also been established for these systems.…”

Section: Gas Storage In Porous Coordination Cagesmentioning

confidence: 99%

Gas Storage in Porous Molecular Materials

Deegan

Dworzak

Gosselin

et al. 2021

Chemistry A European J

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Molecules with permanent porosity in the solid state have been studied for decades. Porosity in these systems is governed by intrinsic pore space, as in cages or macrocycles, and extrinsic void space, created through loose, intermolecular solid‐state packing. The development of permanently porous molecular materials, especially cages with organic or metal–organic composition, has seen increased interest over the past decade, and as such, incredibly high surface areas have been reported for these solids. Despite this, examples of these materials being explored for gas storage applications are relatively limited. This minireview outlines existing molecular systems that have been investigated for gas storage and highlights strategies that have been used to understand adsorption mechanisms in porous molecular materials.

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Section: Gas Storage In Porous Coordination Cagesmentioning

confidence: 99%

Gas Storage in Porous Molecular Materials

Deegan

Dworzak

Gosselin

et al. 2021

Chemistry A European J

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“…Due to the semi‐rigid property, the rings in the structure are distorted like saddle rather than plain. Each two copper ions are chelated by four carboxyl groups from two different ligands to form a square paddle wheel cluster structure, increasing the stability of the discrete compound . The axial positions of the copper cluster are occupied by two DMF−O solvent molecules.…”

Section: Methodsmentioning

confidence: 99%

A Recoverable Complex with Nitrogen‐Rich Double Rings for Hg(II) Sorption

Lin

Qiu

et al. 2018

ChemistrySelect

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A discrete binuclear copper complex with nitrogen‐rich double rings has been synthesized by ether diffusion method, which was characterized by single crystal X‐ray diffraction. The crystal structure exhibits two connected rings as Arabic numeral “8” shape and stacks each other in the lattice leading to channels for ion sorption. Furthermore, this crystalline material is recoverable and displays high stability in water. The thermal stability has been confirmed by variable temperature powder X‐ray diffraction (VT‐PXRD). Flame atomic absorption spectrometry (FAAS) study has been carried out to confirm the ability of mercury(II) capture from aqueous solution, showing that the porous crystals have good adsorption capacity. The ion sorption kinetic process has been investigated, revealing a pseudo‐second‐order kinetics of mercury(II) adsorption.

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“…A lantern type cage ( MCCC‐124 ) based on Rh 2 shows efficiently promoting of the intramolecular C−H amination of azides was also developed by Su et al. [17g] …”

Section: Functions Of Molecular Cages Endowed By Metal Cluster Nodesmentioning

confidence: 99%

Coordination‐Assembled Molecular Cages with Metal Cluster Nodes

Zhu

Tian

Sun

2020

The Chemical Record

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Molecular cages have attracted great attention because of their fascinating topological structures and well‐defined functional cavities. These discrete cages were usually fabricated by coordination assembly approach, a process employing directional metal‐ligand coordination bonds due to the nature of the divinable coordination geometry and the required lability to encode dynamic equilibrium/error‐correction. Compared to these coordination molecular cages with mononulcear metal‐nodes, an increasing number of molecular cages featuring dinuclear and then polynuclear metal‐cluster nodes have been synthesized. These metal‐cluster‐based coordination cages (MCCCs) combine the merits of both metal clusters and the cage structure, and exhibit excellent performances in catalysis, separation, host‐guest chemistry and so on. In this review, we highlight the syntheses of MCCCs and their potential functions that is donated by the metal‐cluster nodes.

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A porous metal–organic cage constructed from dirhodium paddle-wheels: synthesis, structure and catalysis

Abstract: A porous metal–organic cage (MOC-Rh-1) with Rh–Rh bonds has been prepared, which can act as a heterogeneous catalyst and promote the intramolecular C–H amination of azides.

Cited by 56 publications

References 109 publications

Gas Storage in Porous Molecular Materials

Gas Storage in Porous Molecular Materials

A Recoverable Complex with Nitrogen‐Rich Double Rings for Hg(II) Sorption

Coordination‐Assembled Molecular Cages with Metal Cluster Nodes

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