scholarly journals A Review on Metal-Organic Frameworks as Congenial Heterogeneous Catalysts for Potential Organic Transformations

2021 ◽  
Vol 9 ◽  
Author(s):  
Kranthi Kumar Gangu ◽  
Sreekantha B. Jonnalagadda
Keyword(s):  
Active Sites ◽  
Heterogeneous Catalysts ◽  
Metal Organic Frameworks ◽  
Value Added ◽  
Biological Molecules ◽  
Full Potential ◽  
Organic Transformations ◽  
Solid Catalysts ◽  
Metal Organic ◽  
Catalytic Active Sites

Metal-organic frameworks (MOFs) have emerged as versatile candidates of interest in heterogeneous catalysis. Recent research and developments with MOFs positively endorse their role as catalysts in generating invaluable organic compounds. To harness the full potential of MOFs in value-added organic transformation, a comprehensive look at how these materials are likely to involve in the catalytic processes is essential. Mainstays of MOFs such as metal nodes, linkers, encapsulation materials, and enveloped structures tend to produce capable catalytic active sites that offer solutions to reduce human efforts in developing new organic reactions. The main advantages of choosing MOFs as reusable catalysts are the flexible and robust skeleton, regular porosity, high pore volume, and accessible synthesis accompanied with cost-effectiveness. As hosts for active metals, sole MOFs, modified MOFs, and MOFs have made remarkable advances as solid catalysts. The extensive exploration of the MOFs possibly led to their fast adoption in fabricating new biological molecules such as pyridines, quinolines, quinazolinones, imines, and their derivatives. This review covers the varied MOFs and their catalytic properties in facilitating the selective formation of the product organic moieties and interprets MOF’s property responsible for their elegant performance.

scholarly journals Metal-Organic Frameworks as Versatile Heterogeneous Solid Catalysts for Henry Reactions

Molecules ◽  
2021 ◽  
Vol 26 (5) ◽  
pp. 1445
Author(s):  
Francisco G. Cirujano ◽  
Rafael Luque ◽  
Amarajothi Dhakshinamoorthy
Keyword(s):  
Active Sites ◽  
Heterogeneous Catalysts ◽  
Final Section ◽  
Metal Organic Frameworks ◽  
Henry Reaction ◽  
Solid Catalysts ◽  
Wide Range ◽  
Metal Organic ◽  
Materials Used ◽  
Heterogeneous Solid

Metal–organic frameworks (MOFs) have become one of the versatile solid materials used for a wide range of applications, such as gas storage, gas separation, proton conductivity, sensors and catalysis. Among these fields, one of the more well-studied areas is the use of MOFs as heterogeneous catalysts for a broad range of organic reactions. In the present review, the employment of MOFs as solid catalysts for the Henry reaction is discussed, and the available literature data from the last decade are grouped. The review is organized with a brief introduction of the importance of Henry reactions and structural properties of MOFs that are suitable for catalysis. The second part of the review discusses the use of MOFs as solid catalysts for the Henry reaction involving metal nodes as active sites, while the third section provides data utilizing basic sites (primary amine, secondary amine, amides and urea-donating sites). While commenting on the catalytic results in these two sections, the advantage of MOFs over other solid catalysts is compared in terms of activity by providing turnover number (TON) values and the structural stability of MOFs during the course of the reaction. The final section provides our views on further directions in this field.

Metal–organic frameworks as catalytic selectivity regulators for organic transformations

2021 ◽  
Author(s):  
Jun Guo ◽  
Yutian Qin ◽  
Yanfei Zhu ◽  
Xiaofei Zhang ◽  
Chang Long ◽  
...  
Keyword(s):  
Heterogeneous Catalysts ◽  
Metal Organic Frameworks ◽  
Research Topic ◽  
Organic Transformations ◽  
Catalytic Selectivity ◽  
Challenging Research ◽  
Metal Organic

Selective organic transformations using metal–organic frameworks (MOFs) and MOF-based heterogeneous catalysts have been an intriguing but challenging research topic in both the chemistry and materials communities.

Catalysis and photocatalysis by metal organic frameworks

2018 ◽  
Vol 47 (22) ◽  
pp. 8134-8172 ◽  
Author(s):  
Amarajothi Dhakshinamoorthy ◽  
Zhaohui Li ◽  
Hermenegildo Garcia
Keyword(s):  
Metal Organic Frameworks ◽  
Organic Transformations ◽  
Solid Catalysts ◽  
Metal Organic

This review aims to provide different strategies employed to use MOFs as solid catalysts and photocatalysts in organic transformations.

Metal-Organic Frameworks for Asymmetric Catalysis and Chiral Separations

MRS Bulletin ◽  
2007 ◽  
Vol 32 (7) ◽  
pp. 544-548 ◽  
Author(s):  
Wenbin Lin
Keyword(s):  
Asymmetric Catalysis ◽  
Active Sites ◽  
Heterogeneous Catalysts ◽  
Metal Organic Frameworks ◽  
Building Blocks ◽  
Chiral Separations ◽  
Bridging Ligands ◽  
Guest Molecules ◽  
Pure Compounds ◽  
Metal Organic

Metal-organic frameworks (MOFs) are an interesting class of molecule-based hybrid materials built from metal-connecting points and bridging ligands. MOFs have received much attention, owing to their potential impact on many technological areas, including gas storage, separation, and heterogeneous catalysis. The modular nature of MOFs endows them with facile tunability, and as a result, properly designed MOFs can yield ideal heterogeneous catalysts with uniform active sites through judicious choice of the building blocks. Homochiral MOFs, which can be prepared by numerous approaches (construction from achiral components by seeding with a chiral single crystal, templating with coordinating chiral co-ligands, and building from metal-connecting nodes and chiral bridging ligands), represent a unique class of materials for the economical production of optically pure compounds, whether through asymmetric catalysis or enantioselective inclusion of chiral guest molecules in their porous frameworks. As such, homochiral MOFs promise new opportunities for developing chirotechnology. This contribution provides a brief overview of recent progress in the synthesis of homochiral porous MOFs and their applications in asymmetric catalysis and chiral separations.

Accurately Metal-Modulated Bimetallic Metal-Organic Frameworks as an Advanced Trifunctional Electrocatalyst

2021 ◽  
Author(s):  
Xin Chen ◽  
Bing Shao ◽  
Meng-Juan Tang ◽  
Xing-Lu He ◽  
Fujie Yang ◽  
...  
Keyword(s):  
Energy Storage ◽  
Active Sites ◽  
Metal Organic Frameworks ◽  
Energy Storage And Conversion ◽  
Efficient Integration ◽  
Metal Organic ◽  
Catalytic Active Sites

To fabricate an efficient integration of multifunctional electrocatalysts for energy storage and conversion is still a great challenge, due to the difficulty to precisely identify and regulate catalytic active sites....

scholarly journals Heterogeneous Catalysts for the Conversion of Glucose into 5-Hydroxymethyl Furfural

Catalysts ◽  
2021 ◽  
Vol 11 (7) ◽  
pp. 861
Author(s):  
Christiaan H. L. Tempelman ◽  
Ryan Oozeerally ◽  
Volkan Degirmenci
Keyword(s):  
Lignocellulosic Biomass ◽  
Active Sites ◽  
Heterogeneous Catalysts ◽  
Supported Catalysts ◽  
Metal Organic Frameworks ◽  
Reaction Conditions ◽  
Catalytic Systems ◽  
Hydroxymethyl Furfural ◽  
Potential Applications ◽  
Metal Organic

Lignocellulosic biomass, a cheap and plentiful resource, could play a key role in the production of sustainable chemicals. The simple sugars contained in the renewable lignocellulosic biomass can be converted into commercially valuable products such as 5-hydroxymethyl furfural (HMF). A platform molecule, HMF can be transformed into numerous chemical products with potential applications in a wide variety of industries. Of the hexoses contained in the lignocellulosic biomass, the successful production of HMF from glucose has been a challenge. Various heterogeneous catalysts have been proposed over the last decade, ranging from zeolites to metal organic frameworks. The reaction conditions vary in the reports in the literature, which makes it difficult to compare catalysts reported in different studies. In addition, the slight variations in the synthesis of the same material in different laboratories may affect the activity results, because the selectivity towards desired products in this transformation strongly depends on the nature of the active sites. This poses another difficulty for the comparison of different reports. Furthermore, over the last decade the new catalytic systems proposed have increased profoundly. In this article, we summarize the heterogeneous catalysts: Metal Organic Frameworks (MOFs), zeolites and conventional supported catalysts, that have been reported in the recent literature and provide an overview of the observed catalytic activity, in order to provide a comparison.

Chiral binary metal–organic frameworks for asymmetric sequential reactions

2017 ◽  
Vol 53 (91) ◽  
pp. 12313-12316 ◽  
Author(s):  
Zijian Li ◽  
Yan Liu ◽  
Qingchun Xia ◽  
Yong Cui
Keyword(s):  
Active Sites ◽  
Heterogeneous Catalysts ◽  
Metal Organic Frameworks ◽  
Binary Metal ◽  
Metal Organic ◽  
Sequential Reactions

Two chiral MOFs with precise spatial arrangements of different metallosalen active sites are efficient heterogeneous catalysts for asymmetric sequential reactions.

scholarly journals Homochiral metal–organic frameworks as heterogeneous catalysts

2018 ◽  
Vol 5 (7) ◽  
pp. 1512-1523 ◽  
Author(s):  
Andreea Gheorghe ◽  
Martijn A. Tepaske ◽  
Stefania Tanase
Keyword(s):  
Surface Area ◽  
Asymmetric Catalysis ◽  
Active Sites ◽  
Heterogeneous Catalysts ◽  
High Surface ◽  
Metal Organic Frameworks ◽  
High Surface Area ◽  
Metal Organic

Homochiral metal–organic frameworks (HMOFs) are attractive materials for asymmetric catalysis because they possess high surface area and uniform active sites.

Metal–organic frameworks: versatile heterogeneous catalysts for efficient catalytic organic transformations

2015 ◽  
Vol 44 (19) ◽  
pp. 6804-6849 ◽  
Author(s):  
Adeel H. Chughtai ◽  
Nazir Ahmad ◽  
Hussein A. Younus ◽  
A. Laypkov ◽  
Francis Verpoort
Keyword(s):  
Heterogeneous Catalysts ◽  
Metal Organic Frameworks ◽  
Organic Reactions ◽  
Organic Transformations ◽  
Catalytic Materials ◽  
Metal Organic

Novel catalytic materials are highly demanded to perform a variety of catalytic organic reactions.

scholarly journals Interwrapping Distinct Metal-Organic Frameworks in Dual-MOFs for the Creation of Unique Composite Catalysts

Research ◽  
2021 ◽  
Vol 2021 ◽  
pp. 1-12
Author(s):  
Jia-Long Ling ◽  
Kai Chen ◽  
Chuan-De Wu
Keyword(s):  
Heterogeneous Catalysts ◽  
Catalytic Properties ◽  
Metal Organic Frameworks ◽  
Value Added ◽  
Composite Catalysts ◽  
Redox Active ◽  
Hierarchical Porous ◽  
Metal Organic ◽  
Molecular Sieving

Incorporating metal nanoparticles (MNPs) inside metal-organic frameworks (MOFs) demonstrates superior catalytic properties in numerous reactions; however, the size and distribution of MNPs could not be well controlled, resulting in low product selectivity in catalysis by undergoing different catalytic reaction pathways. We report herein a facile strategy for integrating lattice-mismatched MOFs together to fabricate homogeneously distributed “dual-MOFs,” which are the ideal precursors for the preparation of MNPs@MOFs with unique catalytic properties. As a proof of concept, we successfully synthesize a dual-MOF HKUST-1/ZIF-8 for in situ creation of redox-active Cu NPs inside hierarchical porous ZIF-8 under controlled pyrolytic conditions. Combining the advantages of size-tunable Cu NPs in the molecular sieving matrix of ZIF-8, Cu@ZIF-8 demonstrates high activity and selectivity for transformation of alkynes into alkenes without overhydrogenation, which surpasses most of the catalysts in the literature. Therefore, this work paves a new pathway for developing highly efficient and selective heterogeneous catalysts to produce highly value-added chemicals.

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