Special Issue "MOFs: Syntheses, Structures, and Catalytic Processes"

A special issue of Catalysts (ISSN 2073-4344). This special issue belongs to the section "Catalytic Materials".

Deadline for manuscript submissions: closed (31 December 2020) | Viewed by 2521

Special Issue Editors

Centro de Quimica Estrutural, Instituto Superior Tecnico, Lisbon, Portugal
Interests: coordination chemistry; oxidation catalysis; electrocatalysis; alkane functionalization; carboxylation; C-C coupling; non-covalent interactions in synthesis
Special Issues, Collections and Topics in MDPI journals
Centro de Quimica Estrutural at Instituto Superior Tecnico, Universidade de Lisboa, 1649004 Lisbon, Portugal
Interests: metal–organic frameworks (MOFs); porous coordination polymers (PCPs); heterogeneous catalysis; crystal engineering; supramolecular chemistry

Special Issue Information

Dear Colleagues,

Metal–organic frameworks (MOFs) constitute promising novel materials that are being constructed from a diversity of metal ions and polytopic bridging ligands. They can form a wide variety of one-, two-, or three-dimensional networks and assemblies with high surface areas and large pore volumes. MOF materials not only enrich the fields of coordination chemistry, organic chemistry, materials chemistry, and porous materials, but can also be applied in the areas of catalysis, nonlinear optics, gas storage and separation, magnetism, etc.

Catalytic applications of such materials are among the earliest proposed and, nowadays, many organic reactions can be efficiently catalyzed by MOFs. Their crystalline nature, large surface area, high porosity, tuneable surface properties, usual insolubility in common organic solvents, adequate framework stability, and the presence of active sites either on the framework or hosted in the voids make MOFs promising as heterogeneous catalysts, namely for liquid phase reactions. The nodes of these coordination networks can act as good Lewis acid catalytic sites, whereas basic moieties of the linkers can facilitate the catalytic reactions. Selectivity control by stereochemical factors constitutes a promising strategy associated to the use of MOFs in catalysis. Thus, the rapid development of MOF-based materials as catalysts inspired us to launch this Special Issue, which aims to present recent relevant scientific achievements in the field of MOFs in terms of their synthesis, structure, and/or catalytic applications.

Prof. Armando Pombeiro
Dr. Anirban Karmakar
Guest Editors

Manuscript Submission Information

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  • Metal organic frameworks
  • Coordination polymers
  • Synthesis
  • Structure
  • Crystal structure
  • Catalysis
  • Lewis acid catalysis
  • Biomimetic catalysis

Published Papers (1 paper)

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16 pages, 4102 KiB  
1D Zn(II) Coordination Polymers as Effective Heterogeneous Catalysts in Microwave-Assisted Single-Pot Deacetalization-Knoevenagel Tandem Reactions in Solvent-Free Conditions
Catalysts 2021, 11(1), 90; https://doi.org/10.3390/catal11010090 - 11 Jan 2021
Cited by 12 | Viewed by 1886
The new 1D CPs [Zn(L1)(H2O)4]n.nH2O (1) and [Zn(L2)(H2O)2]n (2) [L1 = 1,1′-(ethane-1,2-diyl)bis(6-oxo-1,6-dihydropyridine-3-carboxylic acid); L2 = 1,1′-(propane-1,3-diyl)bis(6-oxo-1,6-dihydropyridine-3-carboxylic acid)] were prepared from [...] Read more.
The new 1D CPs [Zn(L1)(H2O)4]n.nH2O (1) and [Zn(L2)(H2O)2]n (2) [L1 = 1,1′-(ethane-1,2-diyl)bis(6-oxo-1,6-dihydropyridine-3-carboxylic acid); L2 = 1,1′-(propane-1,3-diyl)bis(6-oxo-1,6-dihydropyridine-3-carboxylic acid)] were prepared from flexible dicarboxylate pro-ligands (H2L1 and H2L2). Both CPs 1 and 2 were characterized by elemental, FTIR, and powder X-ray diffraction analysis. Their geometry and the structural features were unveiled by single-crystal X-ray diffraction analysis. The underlying topology of the CPs was illustrated by the topological analysis of the H-bonded structure of CP 1, which revealed a 3,4,6-connected trinodal net. On the other hand, topological analysis on the hydrogen-bonded network of CP 2 showed a 2,3,3,4,6,7-connected hexanodal net. The thermal stability of the CPs was investigated by thermogravimetric analysis. CPs 1 and 2 act as heterogeneous catalysts in one-pot tandem deacetalization–Knoevenagel condensation reactions under environmentally mild conditions. CPs 1 exhibits a yield of ca. 91% in a microwave-assisted solvent-free medium, whereas a slightly lower yield was obtained for CP 2 (87%) under the same experimental protocol. The recyclability of catalyst 1 was also assessed. To our knowledge, these are the first Zn(II)-based CPs to be applied as heterogeneous catalysts for the above tandem reactions under environmentally friendly conditions. Full article
(This article belongs to the Special Issue MOFs: Syntheses, Structures, and Catalytic Processes)
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