Progress in the synthetic and functional aspects of chiral metal–organic frameworks

Bisht, Kamal Kumar; Parmar, Bhavesh; Rachuri, Yadagiri; Kathalikattil, Amal Cherian; Suresh, Eringathodi

doi:10.1039/c5ce00776c

Cited by 61 publications

(31 citation statements)

References 127 publications

(224 reference statements)

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“…Popplemeier and coworkers showed that even racemic mixtures can give chiral structures 19 and Morris showed that bulk homochirality could be induced in metal organic frameworks (MOFs) in the right solvent systems 20 . The number of MOFs 21,22 and zeolites 23,24 with chiral crystallographic structures is increasing, the possibility to extend and combine chirality at different hierarchies remains unclear. To date, there have been just a few examples of MOFs with chiral surfaces 25,26 or 3D twisted shapes 27 , where in the latter cases the chirality is induced by a template and is manifest at a morphological level.…”

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confidence: 99%

Emergence of chirality and structural complexity in single crystals at the molecular and morphological levels

et al. 2020

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Naturally occurring single crystals having a multidomain morphology are a counterintuitive phenonomon: the macroscopic appearance is expected to follow the symmetry of the unit cell. Growing such crystals in the lab is a great challenge, especially from organic molecules. We achieve here uniform metallo-organic crystals that exhibit single crystallinity with apparently distinct domains and chirality. The chirality is present at both the molecular and macroscopic levels, although only achiral elements are used. "Yo-yo"-like structures having opposite helical handedness evolve from initially formed seemingly achiral cylinders. This non-polyhedral morphology coexists with a continuous coordination network forming homochiral channels. This work sheds light on the enigmatic aspects of fascinating crystallization processes occurring in biological mineralization. Our findings open up opportunities to generate new porous and hierarchical chiral materials.

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confidence: 99%

Emergence of chirality and structural complexity in single crystals at the molecular and morphological levels

et al. 2020

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“…Due to their large surface areas, diverse structures, and varied functions, MOFs have diverse potential applications in areas such as gas sorption, [80] chemical sensing, [81] photocatalysis, [82] separation, [83] and electrocatalysis. [84] Chiral MOFs not only possess the intrinsic features of MOFs, but also offer a chiral environment that is very important for applications in asymmetric catalysis, [85] chiral recognition, [86] and enantioselective adsorption and separation. [87] The methods for preparing chiral MOFs can be classified into three major groups.…”

Section: Chiral-mof-based Probesmentioning

confidence: 99%

Artificial Chiral Probes and Bioapplications

et al. 2019

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nanostructures, both static and dynamic. [8] According to the material composition and underlying mechanisms of chiral nanostructures, Chen and co-workers summarized their preparation methods and properties. [10] Nam and co-workers summarized the chiral assemblies of plasmonic nanostructures enabled by biomolecules (amino acids, peptides, DNA, etc.). [11] After paying great attention to the preparation, characterization, and optical properties of chiral materials, researchers are now focusing on their potential applications, [12] such as optical devices, [13] chiral catalysis, [14] chiral memory, [15] chiral detection, [16] biolabeling, [17] chiral recognition and separation, [18] and others. [19] This progress report will focus on the bioapplications of chiral materials. Herein, first the general design principles of chirality-based biosensors will be introduced. Subsequently, the focus will shift to chiral sensors based on chiral semiconductor nanoparticles, followed by a description of chiral metal-nanoparticle-based probes in Section 4. Next, a variety of chiral sensors using chiral nanoassemblies will be discussed in Section 5. Sections 6 and 7 will review probes based on chiral meta-materials and metalorganic frameworks (MOFs) respectively. Biosensors based on other chiral materials will also be summarized. Finally, a brief conclusion and a perspective on the future development of chiral-material-based sensors will be provided.

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“…Chiral MOFs can be built by using numerous distinct strategies, each of which has its individual advantages and disadvantages [42,43]. In this review, we have classified the synthesis of chiral MOFs broadly into two different classes, namely the straightforward method and the indirect method, which are based on the component used for creating chirality within MOFs.…”

Section: Synthetic Strategies Of Chiral Mofsmentioning

confidence: 99%

Recent Progress in Asymmetric Catalysis and Chromatographic Separation by Chiral Metal–Organic Frameworks

Bhattacharjee

Khan

et al. 2018

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Metal-organic frameworks (MOFs), as a new class of porous solid materials, have emerged and their study has established itself very quickly into a productive research field. This short review recaps the recent advancement of chiral MOFs. Here, we present simple, well-ordered instances to classify the mode of synthesis of chiral MOFs, and later demonstrate the potential applications of chiral MOFs in heterogeneous asymmetric catalysis and enantioselective separation. The asymmetric catalysis sections are subdivided based on the types of reactions that have been successfully carried out recently by chiral MOFs. In the part on enantioselective separation, we present the potentiality of chiral MOFs as a stationary phase for high-performance liquid chromatography (HPLC) and high-resolution gas chromatography (GC) by considering fruitful examples from current research work. We anticipate that this review will provide interest to researchers to design new homochiral MOFs with even greater complexity and effort to execute their potential functions in several fields, such as asymmetric catalysis, enantiomer separation, and chiral recognition.

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Progress in the synthetic and functional aspects of chiral metal–organic frameworks

Cited by 61 publications

References 127 publications

Emergence of chirality and structural complexity in single crystals at the molecular and morphological levels

Emergence of chirality and structural complexity in single crystals at the molecular and morphological levels

Artificial Chiral Probes and Bioapplications

Recent Progress in Asymmetric Catalysis and Chromatographic Separation by Chiral Metal–Organic Frameworks

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