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Themed collection Host–guest chemistry

77 articles - Showing page 1 of 2
Open Access Feature Article

Properties and emerging applications of mechanically interlocked ligands

We discuss the properties and potential future applications in catalysis, sensing and materials of ligands based on mechanically interlocked molecules.

Graphical abstract: Properties and emerging applications of mechanically interlocked ligands
From the themed collection: Host–guest chemistry
Open Access Feature Article

Supramolecular aggregates as sensory ensembles

Recent research progress in sensing based on induced supramolecular aggregation or disaggregation.

Graphical abstract: Supramolecular aggregates as sensory ensembles
From the themed collection: Host–guest chemistry
Open Access Feature Article

The death of the Job plot, transparency, open science and online tools, uncertainty estimation methods and other developments in supramolecular chemistry data analysis

The failure of the Job plot, best-practice in uncertainty estimation in host–guest binding studies and an open access webportal for data analysis are reviewed in this Feature Article.

Graphical abstract: The death of the Job plot, transparency, open science and online tools, uncertainty estimation methods and other developments in supramolecular chemistry data analysis
From the themed collection: Host–guest chemistry
Feature Article

Selective molecular recognition on calixarene-functionalized 3D surfaces

Calixarene based various 3D surface materials with unique signal amplification in molecular recognition are presented, including quantum dots (QDs), metal nanoparticles (NPs), nanotubes, and mesoporous silica.

Graphical abstract: Selective molecular recognition on calixarene-functionalized 3D surfaces
From the themed collection: Host–guest chemistry
Feature Article

Multicavity macrocyclic hosts

Multicavity macrocyclic hosts are host molecules comprising more than one macrocyclic guest binding components connected through multipoint linkages.

Graphical abstract: Multicavity macrocyclic hosts
From the themed collection: Host–guest chemistry
Feature Article

Kinetic trapping – a strategy for directing the self-assembly of unique functional nanostructures

Kinetic trapping via supramolecular approaches or physical processing pathways can be an efficient strategy for directing functional molecular self-assemblies.

Graphical abstract: Kinetic trapping – a strategy for directing the self-assembly of unique functional nanostructures
From the themed collection: Host–guest chemistry
Feature Article

Host–guest binding motifs based on hyperbranched polymers

Host–guest systems based on hyperbranched polymers together with their unique properties and various applications have been summarized.

Graphical abstract: Host–guest binding motifs based on hyperbranched polymers
From the themed collection: Host–guest chemistry
Open Access Feature Article

Host–guest chemistry in two-dimensional supramolecular networks

In this feature article, we survey recent developments in host–guest chemistry studied in surface-adsorbed physisorbed supramolecular networks.

Graphical abstract: Host–guest chemistry in two-dimensional supramolecular networks
From the themed collection: Host–guest chemistry
Open Access Feature Article

Molecular tweezers for lysine and arginine – powerful inhibitors of pathologic protein aggregation

Molecular tweezers prevent tau deposition in mouse brains.

Graphical abstract: Molecular tweezers for lysine and arginine – powerful inhibitors of pathologic protein aggregation
From the themed collection: Host–guest chemistry
Feature Article

Precise protein assembly of array structures

The assembly of proteins into various nano-objects with regular and periodic microstructures, i.e. protein arrays, is a fast-growing field in materials science.

Graphical abstract: Precise protein assembly of array structures
From the themed collection: Host–guest chemistry
Feature Article

Molecular recognition and activation by polyaza macrocyclic compounds based on host–guest interactions

This paper highlights the recent progress in the recognition and activation of molecules and anions by polyaza macrocyclic compounds.

Graphical abstract: Molecular recognition and activation by polyaza macrocyclic compounds based on host–guest interactions
From the themed collection: Host–guest chemistry
Feature Article

Recent advances in the template-directed synthesis of porphyrin nanorings

This Feature Article reviews recent advances in the template-directed synthesis of porphyrin nanorings, including new templating methods, novel structures, and their applications in host–guest chemistry and artificial light-harvesting.

Graphical abstract: Recent advances in the template-directed synthesis of porphyrin nanorings
From the themed collection: Host–guest chemistry
Open Access Feature Article

Host–guest chemistry that directly targets lysine methylation: synthetic host molecules as alternatives to bio-reagents

Post-translational methylation regulates the function of hundreds of proteins in profound ways, and is the target of many efforts to use host–guest chemistry to solve biochemical and biological problems.

Graphical abstract: Host–guest chemistry that directly targets lysine methylation: synthetic host molecules as alternatives to bio-reagents
From the themed collection: Host–guest chemistry
Feature Article

Efficient complexation between pillar[5]arenes and neutral guests: from host–guest chemistry to functional materials

This feature article covers the molecular recognition of pillar[5]arenes and neutral guests, and its application in making supramolecular structures, polymers and functional materials.

Graphical abstract: Efficient complexation between pillar[5]arenes and neutral guests: from host–guest chemistry to functional materials
From the themed collection: Host–guest chemistry
Feature Article

Anion recognition by oligo-(thio)urea-based receptors

Recent progress in the construction of metal-coordination-assisted and covalently connected oligourea receptors and their anion coordination chemistry is presented.

Graphical abstract: Anion recognition by oligo-(thio)urea-based receptors
From the themed collection: Host–guest chemistry
Feature Article

Recent advances in pillar[n]arenes: synthesis and applications based on host–guest interactions

Pillar[n]arenes (n = 5–15) are a novel class of macrocyclic molecules with hydroquinone as the repeating unit linked by methylene bridges at para-positions.

Graphical abstract: Recent advances in pillar[n]arenes: synthesis and applications based on host–guest interactions
From the themed collection: Host–guest chemistry
Feature Article

Recent progress in stimuli-induced polydiacetylenes for sensing temperature, chemical and biological targets

In this feature article, we covered recent progress in stimuli-induced polydiacetylenes for sensing temperature, chemical and biological targets.

Graphical abstract: Recent progress in stimuli-induced polydiacetylenes for sensing temperature, chemical and biological targets
From the themed collection: Host–guest chemistry
Feature Article

Imaging and therapeutic applications of zinc(II)-dipicolylamine molecular probes for anionic biomembranes

Synthetic ZnDPA receptors are used for molecular imaging of disease and targeted therapeutics.

Graphical abstract: Imaging and therapeutic applications of zinc(ii)-dipicolylamine molecular probes for anionic biomembranes
From the themed collection: Biological optical imaging
Feature Article

Halogen bonding anion recognition

The development of solution-based anion receptor molecules which exploit halogen bonding interactions is an emerging area of research. This Feature Article reviews recent advances which have been made in this rapidly developing field, surveying the use of iodoperfluoroarene, haloimidazolium and halotriazole/triazolium halogen-bond-donor motifs in anion receptor design and describing the application of mechanically interlocked rotaxane and catenane frameworks as halogen bonding anion host systems.

Graphical abstract: Halogen bonding anion recognition
From the themed collection: Host–guest chemistry
Feature Article

Using low-energy near infrared light and upconverting nanoparticles to trigger photoreactions within supramolecular assemblies

This overview highlights how the high-energy ultraviolet or visible light required to drive photochemical reactions can be overcome by integrating the chromophores into supramolecular structures containing upconverting nanoparticles with trivalent lanthanide dopants (such as Tm3+ and Er3+).

Graphical abstract: Using low-energy near infrared light and upconverting nanoparticles to trigger photoreactions within supramolecular assemblies
From the themed collection: Host–guest chemistry
Open Access Feature Article

Photoresponsive gelators

We review the different approaches that have been used to form low molecular weight gels that respond to light.

Graphical abstract: Photoresponsive gelators
From the themed collection: Host–guest chemistry
Feature Article

Supramolecular organic frameworks: engineering periodicity in water through host–guest chemistry

Recent advances in emerging homogeneous supramolecular organic frameworks (SOFs) assembled through three-component host–guest chemistry in water are described.

Graphical abstract: Supramolecular organic frameworks: engineering periodicity in water through host–guest chemistry
From the themed collection: Host–guest chemistry
Feature Article

Macroscopic switches constructed through host–guest chemistry

In this feature article, we discuss recent developments in macroscopic contact angle switches formed by different macrocyclic hosts and highlight the properties of these new functional surfaces and their potential applications.

Graphical abstract: Macroscopic switches constructed through host–guest chemistry
From the themed collection: Host–guest chemistry
Open Access Feature Article

Boronic acids for fluorescence imaging of carbohydrates

Carbohydrate biomarkers are particularly important targets for fluorescence imaging given their pivotal role in numerous important biological events. This review highlights the development of fluorescence imaging agents based on boronic acids.

Graphical abstract: Boronic acids for fluorescence imaging of carbohydrates
From the themed collection: Host–guest chemistry
Communication

Construction of cyclic arrays of Zn-porphyrin units and their guest binding at the solid–liquid interface

Cyclic arrays of six zinc-porphyrin units are formed on which fullerene molecules are immobilized at the solid/liquid interface.

Graphical abstract: Construction of cyclic arrays of Zn-porphyrin units and their guest binding at the solid–liquid interface
From the themed collection: Host–guest chemistry
Communication

Glycosidase activated release of fluorescent 1,8-naphthalimide probes for tumor cell imaging from glycosylated ‘pro-probes’

Glycosylated 4-amino-1,8-naphthalimide derivatives can be selectively hydrolysed in situ by glycosidase enzymes to release the naphthalimide as a fluorescent imaging agent.

Graphical abstract: Glycosidase activated release of fluorescent 1,8-naphthalimide probes for tumor cell imaging from glycosylated ‘pro-probes’
From the themed collection: Host–guest chemistry
Communication

Probing and evaluating anion–π interaction in meso-dinitrophenyl functionalized calix[4]pyrrole isomers

We report the comprehensive structural and binding isotherm analyses of meso-3,5-dinitrophenyl-substituted calix[4]pyrroles with a variety of anions, displaying anion–π interactions.

Graphical abstract: Probing and evaluating anion–π interaction in meso-dinitrophenyl functionalized calix[4]pyrrole isomers
From the themed collection: Host–guest chemistry
Open Access Communication

Endohedral dynamics of push–pull rotor-functionalized cages

Push–pull-functionalized ligands carrying molecular rotors assemble to [Pd2L4] coordination cages whose endohedral dynamics are controlled by the substitution pattern, solvent effects and guest encapsulation.

Graphical abstract: Endohedral dynamics of push–pull rotor-functionalized cages
From the themed collection: Host–guest chemistry
Communication

Tuning cation-binding selectivity and capacity via side chain-dependent molecular packing in the solid state

Cavity-containing macrocycles assemble, via side chain-dependent molecular packing, into various nanostructures able to bind cations in varying selectivities and capacities.

Graphical abstract: Tuning cation-binding selectivity and capacity via side chain-dependent molecular packing in the solid state
From the themed collection: Host–guest chemistry
Communication

A macrocyclic 1,4-bis(4-pyridylethynyl)benzene showing unique aggregation-induced emission properties

A box-like macrocycle was constructed efficiently (60% yield). Because the intramolecular rotations are restricted by water clusters around the ionic moieties, the box shows unique aggregation-induced emission enhancement property.

Graphical abstract: A macrocyclic 1,4-bis(4-pyridylethynyl)benzene showing unique aggregation-induced emission properties
From the themed collection: Host–guest chemistry
Open Access Communication

Cavity-containing supramolecular gels as a crystallization tool for hydrophobic pharmaceuticals

We present two approaches to low-molecular-weight supramolecular gels bearing hydrophobic cavities based on calixarene-containing building blocks.

Graphical abstract: Cavity-containing supramolecular gels as a crystallization tool for hydrophobic pharmaceuticals
From the themed collection: Host–guest chemistry
Communication

Aromatic oligureas as hosts for anions and cations

Intramolecularly H-bonded urea moieties of aromatic oligoureas bind anions in modest affinities. Extending backbone length results in a cation-binding cavity, allowing the resultant oligomer to bind both anions and cations.

Graphical abstract: Aromatic oligureas as hosts for anions and cations
From the themed collection: Host–guest chemistry
Communication

Indomethacin-guided cancer selective prodrug conjugate activated by histone deacetylase and tumour-associated protease

Indomethacin-guided cancer selective prodrug system activated by histone deacetylase and tumour-associated protease.

Graphical abstract: Indomethacin-guided cancer selective prodrug conjugate activated by histone deacetylase and tumour-associated protease
From the themed collection: Host–guest chemistry
Communication

Halogen bonded supramolecular capsules: a challenging test case for quantum chemical methods

By state-of-the-art dispersion corrected density functional theory, the complexation properties of a recently synthesized halogen-bonded capsule with about 400 atoms are investigated and predictions for improved binding affinities are made.

Graphical abstract: Halogen bonded supramolecular capsules: a challenging test case for quantum chemical methods
From the themed collection: Host–guest chemistry
Communication

Permselective 2D-polymer-based membrane tuneable by host–guest chemistry

A nanoporous membrane with tuneable permselectivity through non-covalent surface modification has been fabricated by deposition of a cucurbit[6]uril-based 2D polymer film onto a simple support membrane.

Graphical abstract: Permselective 2D-polymer-based membrane tuneable by host–guest chemistry
From the themed collection: Host–guest chemistry
Communication

Three-dimensional protein assemblies directed by orthogonal non-covalent interactions

In this report, an orthogonal non-covalent interaction strategy based on specific recognition between sugar and protein, and host–guest interaction, was employed to construct artificial three dimensional (3D) protein assemblies in the laboratory.

Graphical abstract: Three-dimensional protein assemblies directed by orthogonal non-covalent interactions
From the themed collection: Host–guest chemistry
Communication

Harnessing solid-state packing for selective detection of chloride in a macrocyclic anionophore

We report the synthesis of a macrocyclic receptor that displays a selective fluorescent response to chloride in the solid state.

Graphical abstract: Harnessing solid-state packing for selective detection of chloride in a macrocyclic anionophore
From the themed collection: Host–guest chemistry
Communication

Multifunctional supramolecular vesicles based on the complex of ferrocenecarboxylic acid capped pillar[5]arene and a galactose derivative for targeted drug delivery

Supramolecular vesicles have been constructed based on the host–guest complexation, which show dual-responsiveness and cancer cells targetability.

Graphical abstract: Multifunctional supramolecular vesicles based on the complex of ferrocenecarboxylic acid capped pillar[5]arene and a galactose derivative for targeted drug delivery
From the themed collection: Host–guest chemistry
Communication

Crystal structure of a complex between β-glucopyranose and a macrocyclic receptor with dendritic multicharged water solubilizing chains

The first solid state structure of a synthetic receptor-monosaccharide host–guest complex crystallized from water is reported.

Graphical abstract: Crystal structure of a complex between β-glucopyranose and a macrocyclic receptor with dendritic multicharged water solubilizing chains
From the themed collection: Host–guest chemistry
Communication

A srikaya-like light-harvesting antenna based on graphene quantum dots and porphyrin unimolecular micelles

A novel hybrid light-harvesting antenna with a srikaya-like structure of multi-graphene quantum dots (GQDs) as donors and one porphyrin unimolecular micelle as the acceptor was constructed through electrostatic self-assembly.

Graphical abstract: A srikaya-like light-harvesting antenna based on graphene quantum dots and porphyrin unimolecular micelles
From the themed collection: Host–guest chemistry
Open Access Communication

M12L8 metallo-supramolecular cube with cyclotriguaiacylene-type ligand: spontaneous resolution of cube and its constituent host ligand

(±)-Tris-(4-methylthiazolyl)cyclotriguaiacylene forms chirally resolved clathrate complexes and self-assembles with Ag(I) to form a homochiral cubic coordination cage with spontaneous resolution.

Graphical abstract: M12L8 metallo-supramolecular cube with cyclotriguaiacylene-type ligand: spontaneous resolution of cube and its constituent host ligand
From the themed collection: Host–guest chemistry
Open Access Communication

Using steric bulk for selective recognition; blocking the binding site to differentiate guests

Amenable to bendable: blocking the binding cleft enhances selectivity for flexible guests.

Graphical abstract: Using steric bulk for selective recognition; blocking the binding site to differentiate guests
From the themed collection: Host–guest chemistry
Communication

Coumarin-decorated Schiff base hydrolysis as an efficient driving force for the fluorescence detection of water in organic solvents

A Schiff base bearing coumarin is found to be an excellent indicator of trace amounts of moisture in organic solvents.

Graphical abstract: Coumarin-decorated Schiff base hydrolysis as an efficient driving force for the fluorescence detection of water in organic solvents
From the themed collection: Host–guest chemistry
Communication

4-Methylcoumarin-bridged fluorescent responsive cryptand: from [2+2] photodimerization to supramolecular polymer

A fluorescent responsive BMP32C10-based cryptand host was successfully synthesized by introducing a 4-methylcoumarin group to the third arm of the cryptand.

Graphical abstract: 4-Methylcoumarin-bridged fluorescent responsive cryptand: from [2+2] photodimerization to supramolecular polymer
From the themed collection: Host–guest chemistry
Open Access Communication

Design and synthesis of squaramide-based MOFs as efficient MOF-supported hydrogen-bonding organocatalysts

Herein, we utilize a new, squaramide-based ligand, combined with a postsynthetic exchange (PSE) synthetic approach to prepare a series of Cu(II)–squaramide MOFs that are active catalysts for the Friedel–Crafts reaction.

Graphical abstract: Design and synthesis of squaramide-based MOFs as efficient MOF-supported hydrogen-bonding organocatalysts
From the themed collection: Host–guest chemistry
Communication

Predictive recognition of native proteins by cucurbit[7]uril in a complex mixture

The recognition of human growth hormone (hGH) by the synthetic host molecule cucurbit[7]uril (Q7) was predicted on the basis of its N-terminal phenylalanine. A resin presenting Q7 groups was prepared and shown to recognize hGH and insulin in the context of human serum.

Graphical abstract: Predictive recognition of native proteins by cucurbit[7]uril in a complex mixture
From the themed collection: Host–guest chemistry
Communication

Ship in a breakable bottle: fluoride-induced release of an organic molecule from a Pr(III)-linked molecular cage

A 3-dimensional networked molecular cage, NMC-1, has been synthesized that acts like a ‘molecular ship’ in a ‘breakable bottle’.

Graphical abstract: Ship in a breakable bottle: fluoride-induced release of an organic molecule from a Pr(iii)-linked molecular cage
From the themed collection: Host–guest chemistry
Open Access Communication

Are two better than one? Comparing intermolecular and intramolecular indicator displacement assays in pyrophosphate sensors

Pyrophosphate recognition using indicator displacement assays is compared to that of analogous receptors with covalently attached indicators.

Graphical abstract: Are two better than one? Comparing intermolecular and intramolecular indicator displacement assays in pyrophosphate sensors
From the themed collection: Host–guest chemistry
Communication

Fluorescent zinc and copper complexes for detection of adrafinil in paper-based microfluidic devices

Zn(II) and Cu(II) complexes are used in the recognition and sensing of adrafinil through an easy-to-detect fluorescence response.

Graphical abstract: Fluorescent zinc and copper complexes for detection of adrafinil in paper-based microfluidic devices
From the themed collection: Host–guest chemistry
Communication

Light-triggered reversible “one-to-two” morphological transition in a “latent double-amphiphilic” linear-hyperbranched supramolecular block copolymer

This work reports a light-responsive reversible “one-to-two” morphological transition from vesicles to nanosheets and nanofibers in linear-hyperbranched supramolecular block copolymers.

Graphical abstract: Light-triggered reversible “one-to-two” morphological transition in a “latent double-amphiphilic” linear-hyperbranched supramolecular block copolymer
From the themed collection: Host–guest chemistry
Communication

Tetrameric psuedo-peptide receptors with allosteric properties

This paper reports the binding properties of tetrameric pseudo-peptide receptors for protonated cytidines.

Graphical abstract: Tetrameric psuedo-peptide receptors with allosteric properties
From the themed collection: Host–guest chemistry
Open Access Communication

Supramolecular protection from the enzymatic tyrosine phosphorylation in a polypeptide

Two pseudopeptidic cages bind the EYE peptide motif of poly(EY) in buffered water, as shown by NMR and fluorescence spectroscopy. This supramolecular interaction protects the Tyr residues from the enzymatic phosphorylation by PTK.

Graphical abstract: Supramolecular protection from the enzymatic tyrosine phosphorylation in a polypeptide
From the themed collection: Host–guest chemistry
Open Access Communication

2-Methylresorcinarene: a very high packing coefficient in a mono-anion based dimeric capsule and the X-ray crystal structure of the tetra-anion

Mono- and tetra-deprotonated 2-methylresorcinarene anions (1 and 2) as their trans-1,4-diammoniumcyclohexane (TDAC)2+ inclusion complexes are reported.

Graphical abstract: 2-Methylresorcinarene: a very high packing coefficient in a mono-anion based dimeric capsule and the X-ray crystal structure of the tetra-anion
From the themed collection: Host–guest chemistry
Communication

Selective precipitation of alkyl dihalides using a newly synthesized water-soluble bisphosphorylpillar[5]arene

Bisphosphorylpillar[5]arene H2 binds strongly to alkyldiammonium ions and alkyl dihalides. The halogen bonds between H2 and alkyl dihalides lead to the rapid precipitation of the complex in water.

Graphical abstract: Selective precipitation of alkyl dihalides using a newly synthesized water-soluble bisphosphorylpillar[5]arene
From the themed collection: Host–guest chemistry
Open Access Communication

Lower critical solution temperature (LCST) phase behaviour of an ionic liquid and its control by supramolecular host–guest interactions

Unique LCST phase behaviour of imidazolium-based ionic liquids is reported, which can be controlled by concentration, the choice of cation, anion and solvent, and by supramolecular complex formation. MD simulations provide insight into the molecular basis of this LCST phenomenon.

Graphical abstract: Lower critical solution temperature (LCST) phase behaviour of an ionic liquid and its control by supramolecular host–guest interactions
From the themed collection: Host–guest chemistry
Open Access Communication

Quantitative analysis of modeled ATP hydrolysis in water by a colorimetric sensor array

A self-assembled and colorimetric sensor assay is utilized to monitor a model of a metabolic reaction where ATP is hydrolyzed to pyrophosphate and AMP.

Graphical abstract: Quantitative analysis of modeled ATP hydrolysis in water by a colorimetric sensor array
From the themed collection: Host–guest chemistry
Open Access Communication

Chloride anion transporters inhibit growth of methicillin-resistant Staphylococcus aureus (MRSA) in vitro

Anion transporters were tested for antimicrobial activity and shown to inhibit the growth of MRSA in vitro.

Graphical abstract: Chloride anion transporters inhibit growth of methicillin-resistant Staphylococcus aureus (MRSA) in vitro
From the themed collection: Host–guest chemistry
Open Access Communication

Fluorescence enhancement through the formation of a single-layer two-dimensional supramolecular organic framework and its application in highly selective recognition of picric acid

A novel two-dimensional (2D) supramolecular organic framework (SOF) has been assembled, which was further used as a fluorescent chemosensor to detect picric acid with high selectivity and sensitivity.

Graphical abstract: Fluorescence enhancement through the formation of a single-layer two-dimensional supramolecular organic framework and its application in highly selective recognition of picric acid
From the themed collection: Host–guest chemistry
Open Access Communication

Influence of nucleobase stoichiometry on the self-assembly of ABC triblock copolymers

ABC triblock copolymers bearing adenine- and thymine-functionalized external blocks self-assembled into long-range, ordered lamellar microphase-separated morphologies on non-patterned substrates.

Graphical abstract: Influence of nucleobase stoichiometry on the self-assembly of ABC triblock copolymers
From the themed collection: Host–guest chemistry
Communication

Small molecule recognition of mephedrone using an anthracene molecular clip

An anthracene molecular probe has been synthesised and shown to target mephedrone, a stimulant drug from the cathinone class of new psychoactive substances (NPS).

Graphical abstract: Small molecule recognition of mephedrone using an anthracene molecular clip
From the themed collection: Host–guest chemistry
Communication

β-Perfluoroalkyl-substituted pyrrole as an anion-responsive π-electronic system through a single NH moiety

A pyrrole derivative possessing two perfluorohexyl (C6F13) chains at the β-positions was synthesized. The significant electron-withdrawing properties of the β-perfluoroalkyl chains induced fascinating anion-binding behaviour.

Graphical abstract: β-Perfluoroalkyl-substituted pyrrole as an anion-responsive π-electronic system through a single NH moiety
From the themed collection: Host–guest chemistry
Communication

Redox-responsive host–guest system using redox-active pillar[5]arene containing one benzoquinone unit

Pillar[5]arene with one benzoquinone formed weak complex with a guest, while pillar[5]arene containing one hydroquinone strongly captured the guest.

Graphical abstract: Redox-responsive host–guest system using redox-active pillar[5]arene containing one benzoquinone unit
From the themed collection: Host–guest chemistry
Communication

A high-yield synthesis of [m]biphenyl-extended pillar[n]arenes for an efficient selective inclusion of toluene and m-xylene in the solid state

[m]Bp-ExPn with a rigid and nanometer-sized cavity, as an extended version of pillar[n]arene by replacing 1,4-dimethoxybenzene monomers with biphenyl entities, was successfully designed and synthesized. Intriguingly, [m]Bp-ExPn possesses a wide array of potential applications in the purification of petrochemicals.

Graphical abstract: A high-yield synthesis of [m]biphenyl-extended pillar[n]arenes for an efficient selective inclusion of toluene and m-xylene in the solid state
From the themed collection: Host–guest chemistry
Communication

Oxatub[4]arene: a molecular “transformer” capable of hosting a wide range of organic cations

Oxatub[4]arene was found to be able to host a wide range of organic cations. This strong binding ability is believed to originate from its four interconvertible and deep-cavity conformers.

Graphical abstract: Oxatub[4]arene: a molecular “transformer” capable of hosting a wide range of organic cations
From the themed collection: Host–guest chemistry
Communication

A G4·K+ hydrogel that self-destructs

A G4-quartet based hydrogel formed by self-assembly of borate esters of 5′-deoxy-5′-iodoguanosine (5′-IG 2) undergoes in situ cyclization to give 5′-deoxy-N3,5′-cycloguanosine (5′-cG 3). Formation of 5′-cG 3 causes self-destruction of the gel. This intramolecular cyclization can be used to release nucleoside analogs that have been pre-incorporated into the gel network.

Graphical abstract: A G4·K+ hydrogel that self-destructs
From the themed collection: Host–guest chemistry
Communication

Thermo-responsive poly(2-isopropyl-2-oxazoline) and tetraphenylethene hybrids for stimuli-responsive photoluminescence control

Poly(2-isopropyl-2-oxazoline) (POx), a typical thermo-responsive polymer, was conjugated with a tetraphenylethene derivative, having aggregation induced emission behavior, towards the thermal control of their fluorescence emission.

Graphical abstract: Thermo-responsive poly(2-isopropyl-2-oxazoline) and tetraphenylethene hybrids for stimuli-responsive photoluminescence control
From the themed collection: Host–guest chemistry
Communication

Pyrene-based heparin sensors in competitive aqueous media – the role of self-assembled multivalency (SAMul)

Simple functionalised pyrene derivatives can achieve ratiometric sensing of heparin with the precise sensing mechanism depending on whether the sensor self-assembles into a multivalent ligand display.

Graphical abstract: Pyrene-based heparin sensors in competitive aqueous media – the role of self-assembled multivalency (SAMul)
From the themed collection: Host–guest chemistry
Communication

Crosslinked dendronized polyols as a general approach to brighter and more stable fluorophores

Fluorescent, aqueous-soluble, crosslinked dendronized polyols (CDPs) are obtained through a sequential process involving ring-opening metathesis polymerization (ROMP), intra-chain ring-closing metathesis (RCM), and hydrolysis.

Graphical abstract: Crosslinked dendronized polyols as a general approach to brighter and more stable fluorophores
From the themed collection: Host–guest chemistry
Communication

Moving systems of polar dimeric capsules out of thermal equilibrium by light irradiation

By inserting stimuli-responsive groups (azobenzene) in hetero-dimeric capsules, we are able to modify the equilibrium state of the system and the exchange between different host–guest assemblies in a reversible manner.

Graphical abstract: Moving systems of polar dimeric capsules out of thermal equilibrium by light irradiation
From the themed collection: Host–guest chemistry
Communication

Enhanced performance in gas adsorption and Li ion batteries by docking Li+ in a crown ether-based metal–organic framework

Incorporating supramolecular recognition units, crown ether rings, into metal–organic frameworks enables the docking of metal ions through complexation for enhanced performance.

Graphical abstract: Enhanced performance in gas adsorption and Li ion batteries by docking Li+ in a crown ether-based metal–organic framework
From the themed collection: Host–guest chemistry
77 articles - Showing page 1 of 2

About this collection

This web themed collection, guest edited by Feihe Huang, Jonathan Sessler, Christoph Schalley and Jonathan Steed aims to highlight the current achievements and future perspectives in the exciting field of “Host–guest chemistry”. It covers hostguest complexes based on crown ethers, cyclodextrins, calixarenes, cucurbiturils, pillararenes, as well as more complex supramolecular systems such as molecular switches, molecular machines, supramolecular polymers, supramolecular gels, macrocyclic amphiphiles and supramolecular amphiphiles.The issue also focuses on the recent achievements in the search of novel host–guest recognition motifs, exploration of novel macrocyclic hosts, novel stimuli-responsiveness, development of advanced characterization methods, and the potential applications of host–guest chemistry

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