Themed collection FOCUS: Macrocyclic and supramolecular chemistry

42 items
Open Access Review Article

Direct synthetic routes to functionalised crown ethers

Modification of crown ethers via grafting of functional groups represents a convenient yet underexplored tool.

Graphical abstract: Direct synthetic routes to functionalised crown ethers
Review Article

Turn-on detection of assorted phosphates by luminescent chemosensors

This review illustrates a variety of luminescent chemosensors for the selective detection of assorted phosphates via the “Turn-On” emission mechanism with focus on their design aspects, chemical structures and sensing mechanism.

Graphical abstract: Turn-on detection of assorted phosphates by luminescent chemosensors
Review Article

Advancements in the preparation methods of artificial cell membranes with lipids

In order to better understand the structure and function of biological cell membranes, various artificial systems have been developed.

Graphical abstract: Advancements in the preparation methods of artificial cell membranes with lipids
Review Article

A brief review on novel pyrene based fluorometric and colorimetric chemosensors for the detection of Cu2+

This review article provides a detailed overview of pyrene containing colorimetric and fluorometric chemosensors based on different binding mechanisms which fulfill the criteria of affinity, selectivity and sensitivity.

Graphical abstract: A brief review on novel pyrene based fluorometric and colorimetric chemosensors for the detection of Cu2+
Review Article

Activatable supramolecular photosensitizers: advanced design strategies

Design strategies for activatable photosensitizers (aPSs) in response to tumor-associated stimuli.

Graphical abstract: Activatable supramolecular photosensitizers: advanced design strategies
Review Article

Supramolecular gels in cyanide sensing: a review

In this review, an up-to-date summary of various reports on cyanide-responsive gels emphasizing the approaches, design principles, and reaction mechanisms has been discussed eloquently.

Graphical abstract: Supramolecular gels in cyanide sensing: a review
Review Article

Design of functionally cooperating systems and application towards self-propulsive mini-generators

Progress of ‘functionally cooperating systems’ is reviewed with emphasis on self-propulsion including design of material systems for applications in mini-generators based on horizontal/vertical motions, self-assembly, and directed transportation.

Graphical abstract: Design of functionally cooperating systems and application towards self-propulsive mini-generators
Open Access Research Article

Dynamic lanthanide exchange between quadruple-stranded cages: the effect of ionic radius differences on kinetics and thermodynamics

[Ln2L4]2− helicates easily undergo transmetalation. The lanthanide ionic radius difference (ΔEIR) strongly affects the kinetics of the dynamic process while the thermodynamics is independent and mainly entropy driven.

Graphical abstract: Dynamic lanthanide exchange between quadruple-stranded cages: the effect of ionic radius differences on kinetics and thermodynamics
Research Article

Interplay between chalcogen bonds and dynamic covalent bonds

A combination of chalcogen bonds, one type of emerging non-covalent bonding force, and imine bonds, allow the control of the dynamic covalent chemistry with orbital interactions and the reversal of kinetic and thermodynamic selectivity.

Graphical abstract: Interplay between chalcogen bonds and dynamic covalent bonds
Research Article

Asymmetric living supramolecular polymerization of an achiral aza-BODIPY dye by solvent-mediated chirality induction and memory

Chiral aggregates of achiral aza-BODIPY 1 was obtained in a nearly achiral medium, i.e. a limonene/MCH mixed solvent with a chiral limonene ratio <1% (v/v), by living supramolecular polymerization exploiting the chirality memory of dye 1 aggregates.

Graphical abstract: Asymmetric living supramolecular polymerization of an achiral aza-BODIPY dye by solvent-mediated chirality induction and memory
From the themed collection: 2022 Organic Chemistry Frontiers HOT articles
Research Article

Achiral copper clusters helically confined in self-assembled chiral nanotubes emitting circularly polarized phosphorescence

Achiral Cu5 cluster coassembled with a chiral amphiphile to afford helical nanotubes, where the Cu5 cluster was confined within the nanotubes, forming helical arrangement with emerged chiroptical activities (CD and CPP), with a large gabs up to 0.018.

Graphical abstract: Achiral copper clusters helically confined in self-assembled chiral nanotubes emitting circularly polarized phosphorescence
From the themed collection: FOCUS: Metal and Metal-Containing Clusters
Research Article

A POM-based porous supramolecular framework for efficient sulfide–sulfoxide transformations with a low molar O/S ratio

A porous supramolecular framework heterogeneously catalyzed the oxidative synthesis of sulfoxides and the detoxification of mustard gas simulants with a low molar O/S ratio.

Graphical abstract: A POM-based porous supramolecular framework for efficient sulfide–sulfoxide transformations with a low molar O/S ratio
From the themed collection: FOCUS: Metal and Metal-Containing Clusters
Research Article

Triple optically modulated and enzymatically responsive organic afterglow materials for dynamic anti-counterfeiting

A dynamic afterglow security label, with wavelength-dependent, temperature-switchable, time-resolved and nanozyme-responsive quad-modulation characteristics and visual verification capability is developed.

Graphical abstract: Triple optically modulated and enzymatically responsive organic afterglow materials for dynamic anti-counterfeiting
Research Article

A robust and self-healing elastomer achieved by a thio-β-diketone-Cu(II) coordination and H-bonding dual crosslinked system

We report a novel elastomer possessing high stretchability, elasticity and self-healing ability, achieved by thio-β-diketone-Cu(II) coordination and H-bonding dual crosslinking. Flexible sensors are fabricated based on the elastomer.

Graphical abstract: A robust and self-healing elastomer achieved by a thio-β-diketone-Cu(ii) coordination and H-bonding dual crosslinked system
Research Article

Metal ion determined self-assembly using terpyridine building blocks

Complexation between ligand and metal ions with strong binding ability (Co, Zn) afforded tetrameric cages, while trimeric cage can be achieved using weaker binding metal ion (Cd).

Graphical abstract: Metal ion determined self-assembly using terpyridine building blocks
Research Article

Metal–organic macrocycles with tunable pore microenvironments for selective anion transmembrane transport

We report the self-assembly of a distinct type of four-membered metallacycles with tunable pore microenvironments capable of selective anion transmembrane transport.

Graphical abstract: Metal–organic macrocycles with tunable pore microenvironments for selective anion transmembrane transport
Research Article

A photoactive Ir–Pd bimetallic cage with high singlet oxygen yield for efficient one/two-photon activated photodynamic therapy

Photodynamic therapy (PDT) has been extensively studied as a noninvasive treatment option; however, the current PDT agents are often restricted with poor solubility, difficult accumulation in tumor sites, low singlet oxygen yield and low penetration depth.

Graphical abstract: A photoactive Ir–Pd bimetallic cage with high singlet oxygen yield for efficient one/two-photon activated photodynamic therapy
Research Article

A cucurbit[8]uril-stabilized 3D charge transfer supramolecular polymer with a remarkable confinement effect for enhanced photocatalytic proton reduction and thioether oxidation

A water-soluble porous supramolecular polymer is assembled through a CB[8]-based 2 + 2 host–guest binding motif, which can greatly increase the efficiency of photocatalysis.

Graphical abstract: A cucurbit[8]uril-stabilized 3D charge transfer supramolecular polymer with a remarkable confinement effect for enhanced photocatalytic proton reduction and thioether oxidation
Research Article

Reaction induced supramolecular gelation with the evolution of circularly polarized luminescence

Chemically reaction triggered formation of supramolecular gels and enhancement of emission.

Graphical abstract: Reaction induced supramolecular gelation with the evolution of circularly polarized luminescence
Research Article

Highly polar stacking interactions wrap inorganics in organics: lone-pair–π-hole interactions between the PdO4 core and electron-deficient arenes

Each PdO4 plane of Pd3(OAc)6 behaved as a 5-center nucleophile (O lone pairs and the dz2-PdII orbital) that interacts with π-donating arenes to afford highly polar circular stacking, where organics wrapped inorganics.

Graphical abstract: Highly polar stacking interactions wrap inorganics in organics: lone-pair–π-hole interactions between the PdO4 core and electron-deficient arenes
Research Article

A supramolecular dual-donor artificial light-harvesting system with efficient visible light-harvesting capacity

A supramolecular dual-donor artificial light-harvesting system with efficient visible light-harvesting capacity was constructed through the hierarchical self-assembly approach.

Graphical abstract: A supramolecular dual-donor artificial light-harvesting system with efficient visible light-harvesting capacity
Research Article

Efficient one-pot synthesis of [3]catenanes based on Pt(II) metallacycles with a flexible building block

Three [3]catenanes were fabricated in high efficiency through the self-assembly of a 90° platinum(II) receptor, a flexible bis(4,4′-bipyridinium) donor and a crown ether (DB24C8 or DB30C10).

Graphical abstract: Efficient one-pot synthesis of [3]catenanes based on Pt(ii) metallacycles with a flexible building block
Open Access Research Article

Extended enantiopure ortho-phenylene ethylene (o-OPE)-based helical systems as scaffolds for supramolecular architectures: a study of chiroptical response and its connection to the CISS effect

Versatile enantiopure helical systems are described and are of interest owing to their intense chiroptical responses, their attractive architecture for metallosupramolecular chemistry and CISS effect.

Graphical abstract: Extended enantiopure ortho-phenylene ethylene (o-OPE)-based helical systems as scaffolds for supramolecular architectures: a study of chiroptical response and its connection to the CISS effect
Research Article

Aryl carbazole-based macrocycles: synthesis, their remarkably stable radical cations and host–guest complexation with fullerenes

Herein, we have designed and synthesized a series of aryl carbazole-based macrocycles and their stable radical cation species and interesting fullerene recognition were systematically investigated.

Graphical abstract: Aryl carbazole-based macrocycles: synthesis, their remarkably stable radical cations and host–guest complexation with fullerenes
Research Article

Mechanical bonding activation in rotaxane-based organocatalysts

Interlocked organocatalysts show enhanced catalytic performance when compared with their non-interlocked threads.The ring cooperatively activates the substrates, facilitating the formation and stabilization of catalytically active intermediates.

Graphical abstract: Mechanical bonding activation in rotaxane-based organocatalysts
Research Article

J-aggregation induced emission enhancement of BODIPY dyes via H-bonding directed supramolecular polymerization: the importance of substituents at boron

For uracil-functionalized BODIPY dyes 1a–c, AIEE upon H-bonding directed J-aggregation was observed for the two dyes bearing alkyne groups at boron while the BF2-chelated dye displayed ACQ, indicating the crucial role of the substituents at boron.

Graphical abstract: J-aggregation induced emission enhancement of BODIPY dyes via H-bonding directed supramolecular polymerization: the importance of substituents at boron
Research Article

Pillar[5]arene-based ion-pair recognition for constructing a [2]pseudorotaxane with supramolecular interaction induced LCST behavior

Here, we report a novel [2]pseudorotaxane based on perbromoethylated pillar[5]arene/imidazolium iodide ionic liquid ion-pair recognition and this pseudorotaxane shows supramolecular interaction induced LCST behavior in solution.

Graphical abstract: Pillar[5]arene-based ion-pair recognition for constructing a [2]pseudorotaxane with supramolecular interaction induced LCST behavior
Open Access Research Article

Dual-stimuli pseudorotaxane switches under kinetic control

Dual-stimuli pseudorotaxane switches: Threaded complexes dissociate upon deprotonation or oxidation. A mechanical bond changes the influence of a ‘speed bump’ on the outcome of a switching event.

Graphical abstract: Dual-stimuli pseudorotaxane switches under kinetic control
Research Article

Clover leaf-shaped supramolecules assembled using a predesigned metallo-organic ligand

A series of clover-like supramolecular structures were designed and synthesized using a combination of Ru–Zn, Ru–Co, Ru–Mn or Ru–Ni metal ions. These structures with distinct redox properties may have further applications as functional materials.

Graphical abstract: Clover leaf-shaped supramolecules assembled using a predesigned metallo-organic ligand
Research Article

Self-assembled luminescent Cu(I) tetranuclear metallacycles based on 3,3′-bipyridine ligands

Three luminescent tetranuclear macrocycles are obtained selectively, applying coordination-driven supramolecular processes to the reaction of 3,3′-bipyridine ligand with in situ formed Cu(I) bimetallic units bearing a coordination angle of ca. 120°.

Graphical abstract: Self-assembled luminescent Cu(i) tetranuclear metallacycles based on 3,3′-bipyridine ligands
Research Article

Corannulene-based nanographene containing helical motifs

The synthesis and structural analyses of corannulene-PAH hybrids 1 with a [4] helicene subunit and 2 with a [7] helicene subunit have been reported.

Graphical abstract: Corannulene-based nanographene containing helical motifs
Research Article

Supramolecular fluorescence sensing of L-proline and L-pipecolic acid

Fluorescent mono-phosphonate calix[4]pyrrole cavitands display selectivity in amino acids' sensing.

Graphical abstract: Supramolecular fluorescence sensing of l-proline and l-pipecolic acid
Research Article

Electron belt-to-σ-hole switch of noncovalently bound iodine(I) atoms in dithiocarbamate metal complexes

The nature of metals in the isostructural series of dithiocarbamate complexes affects the electron belt-to-σ-hole switch of noncovalently bound iodine(I) leading to either semicoordination, or halogen bonding.

Graphical abstract: Electron belt-to-σ-hole switch of noncovalently bound iodine(i) atoms in dithiocarbamate metal complexes
Research Article

Guest-boosted phosphorescence efficiency of a supramolecular cage

The quantum yield and emission lifetime of the inclusion complexes can be fine-tuned via the variation of halobenzene guests.

Graphical abstract: Guest-boosted phosphorescence efficiency of a supramolecular cage
Research Article

Reversible fluorescence modulation through the photoisomerization of an azobenzene-bridged perylene bisimide cyclophane

An azobenzene-bridged perylene bisimide cyclophane was designed and synthesized, which showed reversible fluorescence intensity switching under light-irradiation due to cooperative adjustments of PBI–PBI and PBI–Azo interactions.

Graphical abstract: Reversible fluorescence modulation through the photoisomerization of an azobenzene-bridged perylene bisimide cyclophane
From the themed collection: Macrocycle-based Supramolecular Elements
Research Article

Sequence-controlled supramolecular copolymer constructed by self-sorting assembly of multiple noncovalent interactions

A sequence-controlled supramolecular copolymer was constructed by self-sorting assembly of metal coordination and two types of host–guest interactions.

Graphical abstract: Sequence-controlled supramolecular copolymer constructed by self-sorting assembly of multiple noncovalent interactions
Research Article

Dinuclear anthracene-containing alkynylplatinum(II) terpyridine complexes with photo-modulated self-assembly behaviors

Facilitated by Pt⋯Pt, π–π stacking and hydrophobic interactions, a new series of dinuclear anthracene-containing alkynylplatinum(II) terpyridine complexes is found to exhibit intriguing photo-modulated self-assembly behaviors upon photooxygenation.

Graphical abstract: Dinuclear anthracene-containing alkynylplatinum(ii) terpyridine complexes with photo-modulated self-assembly behaviors
Research Article

Color-tunable luminescent materials via a CB[8]-based supramolecular assembly strategy

This research revealed a class of fluorescent materials which have a response to humidity, based on simple small molecules via a CB[8]-based supramolecular assembly strategy, in which the materials’ fluorescent properties can be dynamically controlled.

Graphical abstract: Color-tunable luminescent materials via a CB[8]-based supramolecular assembly strategy
Research Article

Facile construction of well-defined radical metallacycles through coordination-driven self-assembly

In this article, well-defined radical metallacycles were efficiently constructed through coordination-driven self-assembly, which displayed interesting chiral self-sorting behavior as well as very weak radical-based luminescence.

Graphical abstract: Facile construction of well-defined radical metallacycles through coordination-driven self-assembly
Research Article

Understanding the self-ordering of amino acids into supramolecular architectures: co-assembly-based modulation of phenylalanine nanofibrils

Amino acids have emerged as promising molecular frameworks for the generation of functional materials owing to the bio-compatibility and thermodynamic stability of their self-assembled architectures.

Graphical abstract: Understanding the self-ordering of amino acids into supramolecular architectures: co-assembly-based modulation of phenylalanine nanofibrils
Research Article

Supramolecular nanoparticles constructed from pillar[5]arene-based host–guest complexation with enhanced aggregation-induced emission for imaging-guided drug delivery

Supramolecular nanoparticles with enhanced aggregation-induced emission are prepared by taking advantage of pillar[5]arene-based host–guest complexation, and are sophisticated nanocarriers for imaging-guided drug delivery.

Graphical abstract: Supramolecular nanoparticles constructed from pillar[5]arene-based host–guest complexation with enhanced aggregation-induced emission for imaging-guided drug delivery
Research Article

Fluorescence visualization of cucurbit[8]uril-triggered dynamic host–guest assemblies

Dynamic assemblies of π-conjugated bispyridinium guests with cucurbit[8]uril in aqueous solution could be distinguished by real-time naked-eye observation of the resulting quantitative fluorescence emissions.

Graphical abstract: Fluorescence visualization of cucurbit[8]uril-triggered dynamic host–guest assemblies
42 items

About this collection

This online collection highlights some exciting research about macrocyclic and supramolecular chemistry that recently appeared in Inorganic Chemistry Frontiers, Organic Chemistry Frontiers and Materials Chemistry Frontiers.

Articles featured in our focus collections are handpicked by Editors. We hope you find them enjoyable to read.

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