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Synthesis and Characterization of Functionalized Metal-organic Frameworks
Published on: September 5, 2014
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Highly Stable Mesoporous Zirconium Porphyrinic Frameworks with Distinct Flexibility.
Lei Xu1, Yan-Ping Luo2, Lin Sun1
1State Key Laboratory of Coordination Chemistry, Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, P. R. China.
Chemistry (Weinheim an Der Bergstrasse, Germany)
|March 11, 2016
Summary
Researchers developed a novel, stable metal-porphyrinic framework (NUPF-1) for catalysis. This material, NUPF-1, demonstrated excellent performance as a heterogeneous catalyst for C-H amination reactions.
Area of Science:
- Materials Science
- Catalysis
- Nanotechnology
Background:
- Metal-porphyrinic frameworks (MPFs) are attractive for diverse applications including artificial light-harvesting, gas storage, and heterogeneous catalysis.
- Developing highly stable MPFs is crucial for advancing these applications.
Purpose of the Study:
- To synthesize a novel mesoporous metal-porphyrinic framework, NUPF-1.
- To investigate the catalytic properties of NUPF-1, particularly after post-metallization.
Main Methods:
- Synthesis of NUPF-1 using a new porphyrin linker and a Zr6O8 building unit.
- Characterization of NUPF-1's structure, stability, and flexibility.
- Post-metallization of NUPF-1 with [Ru3(CO)12] to form {NUPF-1-RuCO}.
- Evaluation of {NUPF-1-RuCO} as a heterogeneous catalyst for intermolecular C(sp3)-H amination.
Main Results:
- NUPF-1 was successfully synthesized, featuring a doubly interpenetrating scu net.
- The framework exhibited high chemical and thermal stability, along with notable structural flexibility.
- {NUPF-1-RuCO} demonstrated catalytic activity for C(sp3)-H amination, achieving excellent yields.
- The catalyst showed good recyclability with various organic azides and small substrates.
Conclusions:
- NUPF-1 represents a novel, stable, and flexible metal-porphyrinic framework.
- {NUPF-1-RuCO} is an effective heterogeneous catalyst for intermolecular C(sp3)-H amination.
- The material's stability facilitates post-metallization and enables efficient catalytic applications.
