Themed collection Supramolecular Chemistry

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Editorial

Supramolecular Chemistry—Introducing the latest web themed issue

Showcasing a collection of cutting edge contributions by international leaders in the field of supramolecular chemistry to mark the International Year of Chemistry 2011.

Graphical abstract: Supramolecular Chemistry—Introducing the latest web themed issue
From the themed collection: Supramolecular Chemistry
Highlight

Synthetic foldamers

From oligomers to protein-sized architectures, foldamers introduce new tools and concepts to develop bioactive substances, synthetic receptors and materials.

Graphical abstract: Synthetic foldamers
From the themed collection: Highlights in Chemistry
Highlight

Supramolecular gel chemistry: developments over the last decade

Supramolecular gels are fascinating soft materials with a growing list of hi-tech, niche applications. This article reviews the progress in their chemistry over the past decade.

Graphical abstract: Supramolecular gel chemistry: developments over the last decade
Highlight

Anion receptor chemistry

This highlight article looks back at progress in anion receptor chemistry in the last decade and ahead to developments in sensing, catalysis and transport that are on the horizon.

Graphical abstract: Anion receptor chemistry
Communication

Facile derivatization of azide ions using click chemistry for their sensitive detection with LC-MS

By employing a click reaction, a novel method was developed for the sensitive detection of inorganic azides at as low as 21 ppb.

Graphical abstract: Facile derivatization of azide ions using click chemistry for their sensitive detection with LC-MS
From the themed collection: Supramolecular Chemistry
Communication

A mesoporous metal–organic framework constructed from a nanosized C3-symmetric linker and [Cu24(isophthalate)24] cuboctahedra

On desolvation, the mesoporous (3,24)-connected framework [Cu3(L)(H2O)3]·(solv) (NOTT-119) shows remarkably high BET surface area (4118(200) m2 g−1), and pore volume (2.35 cm3 g−1).

Graphical abstract: A mesoporous metal–organic framework constructed from a nanosized C3-symmetric linker and [Cu24(isophthalate)24] cuboctahedra
From the themed collection: Supramolecular Chemistry
Communication

A facile, modular and high yield method to assemble three-dimensional DNA structures

We have shown a simple, modular and efficient approach to generate a number of three-dimensional prismatic DNA nanostructures at room temperature.

Graphical abstract: A facile, modular and high yield method to assemble three-dimensional DNA structures
From the themed collection: Supramolecular Chemistry
Communication

Highly porous and robust scandium-based metal–organic frameworks for hydrogen storage

Metal–organic frameworks incorporating binuclear [Sc22-OH)(O2CR)4] building blocks have been synthesised and characterised showing high BET surface areas and total H2 uptake.

Graphical abstract: Highly porous and robust scandium-based metal–organic frameworks for hydrogen storage
From the themed collection: Supramolecular Chemistry
Communication

Detecting specific saccharides via a single indicator

The time- and wavelength-dependent fluorescence response of a single optical sensor can distinguish between different saccharides.

Graphical abstract: Detecting specific saccharides via a single indicator
From the themed collection: Supramolecular Chemistry
Communication

In vivo cell death mediated by synthetic ion channels

Hydraphiles form ion channels in membranes that disrupt ion homeostasis, a property that is applied here for tumor ablation therapy.

Graphical abstract: In vivo cell death mediated by synthetic ion channels
From the themed collection: Supramolecular Chemistry
Communication

Supramolecular architectures based on As(lone pair)⋯π(aryl) interactions

As(lp)⋯π interactions have been shown to be important in providing stability to crystal structures in 20 examples.

Graphical abstract: Supramolecular architectures based on As(lone pair)⋯π(aryl) interactions
From the themed collection: Supramolecular Chemistry
Communication

Ca2+-induced folding of a chiral ditopic receptor based on a Pybox ligand and enhancement of anion recognition

Anion recognition of a chiral Pybox·Ca2+ foldamer.

Graphical abstract: Ca2+-induced folding of a chiral ditopic receptor based on a Pybox ligand and enhancement of anion recognition
From the themed collection: Supramolecular Chemistry
Communication

Luminescence enhancement and tuning via multiple cooperative supramolecular interactions in an ion-paired multinuclear complex

An Ag(I) anilino-bis(pyrazolyl)-triazine luminophore shows multiple bright and tunable emissions influenced by a variety of supramolecular interactions.

Graphical abstract: Luminescence enhancement and tuning via multiple cooperative supramolecular interactions in an ion-paired multinuclear complex
From the themed collection: Supramolecular Chemistry
Communication

A transparent photo-responsive organogel based on a glycoluril supergelator

Control over the gel/sol state of a glycoluril-organogel can be accomplished by irradiation and formation of a capsular supramolecular assembly.

Graphical abstract: A transparent photo-responsive organogel based on a glycoluril supergelator
From the themed collection: Supramolecular Chemistry
Communication

Orienting lipid domains in giant vesicles using an electric field

Functionalized lipid domains and protein–membrane assemblies in surface bound giant vesicles were oriented via application of an electric field to introduce asymmetry in supramolecular structure and chemistry.

Graphical abstract: Orienting lipid domains in giant vesicles using an electric field
From the themed collection: Supramolecular Chemistry
Communication

Lanthanide directed self-assembly formations of Tb(III) and Eu(III) luminescent complexes from tryptophan based pyridyl amide ligands

The interactions between Tb(III) and Eu(III) (Ln) and the chiral pyridyl based trpytophan ligands (L) 1 and 2 in CH3CN gave rise to the formation of L22Tb and L22Eu as the main self-assembly products and not the expected L33Ln systems.

Graphical abstract: Lanthanide directed self-assembly formations of Tb(iii) and Eu(iii) luminescent complexes from tryptophan based pyridyl amide ligands
From the themed collection: Supramolecular Chemistry
Communication

Squaraine [2]catenanes: synthesis, structure and molecular dynamics

Three squaraine [2]catenanes are synthesized and found to have bright, deep-red fluorescence, high chemical stability, and unusual molecular dynamics.

Graphical abstract: Squaraine [2]catenanes: synthesis, structure and molecular dynamics
From the themed collection: Supramolecular Chemistry
Communication

Guest-controlled aggregation of cavitand gold nanoparticles and N-methyl pyridinium-terminated PEG

The introduction of a disulfide functionalized tetraphosphonate cavitand on Au nanoparticles promotes the reversible assembly of a network upon addition of a suitable polymeric ditopic guest.

Graphical abstract: Guest-controlled aggregation of cavitand gold nanoparticles and N-methyl pyridinium-terminated PEG
From the themed collection: Supramolecular Chemistry
Communication

M3L2 metallo-cryptophanes: [2]catenane and simple cages

Chiral anti-isomer M3L2 metallo-cryptophanes are with tripodal cyclotriguaiacylene-derivatives, with different ligands yielding either single cages or a triply interlocking [2]catenane.

Graphical abstract: M3L2 metallo-cryptophanes: [2]catenane and simple cages
From the themed collection: Supramolecular Chemistry
Communication

Detection of DNA base variation and cytosine methylation at a single nucleotide site using a highly sensitive fluorescent probe

An anthracene-containing DNA probe can identify all four DNA bases at a single site in a target strand as well as the epigenetic modification C/5-MeC through different fluorescent responses upon duplex formation.

Graphical abstract: Detection of DNA base variation and cytosine methylation at a single nucleotide site using a highly sensitive fluorescent probe
From the themed collection: Supramolecular Chemistry
Communication

Arginine conjugates of metallo-supramolecular cylinders prescribe helicity and enhance DNA junction binding and cellular activity

The conjugation of arginine residues at the ends of a metallo-supramolecular triple-helical cylinder enables absolute control over the helicity of the cylinder core, and significantly enhances the DNA binding and activity.

Graphical abstract: Arginine conjugates of metallo-supramolecular cylinders prescribe helicity and enhance DNA junction binding and cellular activity
From the themed collection: Supramolecular Chemistry
Communication

Importance of dynamic hydrogen bonds and reorientation barriers in proton transport

The hydrogen bond donor/acceptor reorientation in phenols is shown to happen on a single oxygen site, resulting in low barriers for reorientation.

Graphical abstract: Importance of dynamic hydrogen bonds and reorientation barriers in proton transport
From the themed collection: Supramolecular Chemistry
Communication

Emerging supramolecular synthons: C–H⋯π(chelate) interactions in metal bis(1,1-dithiolates)

Supramolecular synthons of the type C–H⋯π(chelate) are established in the structures of transition metal and main group element 1,1-dithiolates.

Graphical abstract: Emerging supramolecular synthons: C–H⋯π(chelate) interactions in metal bis(1,1-dithiolates)
From the themed collection: Supramolecular Chemistry
Communication

Chromium chains as polydentate fluoride ligands for lanthanides

Cr6-horseshoes act as fluoride donors towards the lanthanides, making Ln, Ln2 and Ln4 complexes.

Graphical abstract: Chromium chains as polydentate fluoride ligands for lanthanides
From the themed collection: Supramolecular Chemistry
Communication

Templated assembly of organic–inorganic materials using the core shell structure of the P22 bacteriophage

We have demonstrated that an assembled viral protein cage, comprising an organic core–shell structure, can be used as a template for the size constrained synthesis of Fe2O3.

Graphical abstract: Templated assembly of organic–inorganic materials using the core shell structure of the P22 bacteriophage
From the themed collection: Supramolecular Chemistry
Communication

Calix[4]arene nitroxide tetraradical and octaradical

1,3-Alternate calix[4]arene with para-phenylene spacers connecting nitroxide monoradicals and high-spin (S = 1) diradicals provides tetraradical and octaradical scaffolds that possess conformations with slow electron spin relaxation rates (1/T1).

Graphical abstract: Calix[4]arene nitroxide tetraradical and octaradical
From the themed collection: Supramolecular Chemistry
Communication

Supramolecular photocatalysis: insights into cucurbit[8]uril catalyzed photodimerization of 6-methylcoumarin

Guest induced shape change of the cucurbit[8]uril cavity is likely rate limiting in the supramolecular photocatalytic cycle for CB8 mediated photodimerization of 6-methylcoumarin.

Graphical abstract: Supramolecular photocatalysis: insights into cucurbit[8]uril catalyzed photodimerization of 6-methylcoumarin
From the themed collection: Supramolecular Chemistry
Communication

Carrier-mediated electrodialysis

Applied potential across a carrier-containing supported liquid membrane significantly enhances both flux and selectivity.

Graphical abstract: Carrier-mediated electrodialysis
From the themed collection: Supramolecular Chemistry
Communication

Manganese(II) complexes of scorpiand-like azamacrocycles as MnSOD mimics

Polyazamacrocycles belonging to the so-called “scorpiand” family display an interesting behaviour as MnSOD mimics. Crystal structures, speciation, electrochemical and in vitro SOD studies are reported.

Graphical abstract: Manganese(ii) complexes of scorpiand-like azamacrocycles as MnSOD mimics
From the themed collection: Supramolecular Chemistry
Communication

Modular ‘click’ sensors for zinc and their application in vivo

The in vivo application in zebrafish of modular “click” fluorescent sensors with high selectivity for zinc is described.

Graphical abstract: Modular ‘click’ sensors for zinc and their application in vivo
From the themed collection: Supramolecular Chemistry
Communication

Combining carbohydrate substitutions at bioinspired positions with multivalent presentation towards optimising lectin inhibitors: case study with calixarenes

Synthetic carbohydrate modification at sites of natural substitutions teamed up with multivalency is a route to protect cells from harmful lectins.

Graphical abstract: Combining carbohydrate substitutions at bioinspired positions with multivalent presentation towards optimising lectin inhibitors: case study with calixarenes
From the themed collection: Supramolecular Chemistry
Communication

Two levels of conformational pre-organization consolidate strong CH hydrogen bonds in chloride–triazolophane complexes

Structural rigidity is verified as a pre-organizational factor that acts with the macrocyclic effect such that synthesis helps in paying the cost of bringing together electropositive CH donors ready for H-bonding with chloride.

Graphical abstract: Two levels of conformational pre-organization consolidate strong CH hydrogen bonds in chloride–triazolophane complexes
From the themed collection: Supramolecular Chemistry
Communication

Morphological families of self-assembled porphyrin structures and their photosensitization of hydrogen generation

Self-assembly of oppositely charged porphyrins gives morphologically and crystallographically related structures regardless of the metals (Sn or Zn) in the porphyrins.

Graphical abstract: Morphological families of self-assembled porphyrin structures and their photosensitization of hydrogen generation
From the themed collection: Supramolecular Chemistry
Communication

Singlet and triplet energy transfer rate acceleration by additions of clusters in supramolecular pigment-organometallic cluster assemblies

Both S1 and T1 energy transfer rates (porphyrin → cluster) increase from mono- to di- to tetracarboxylate[tetraphenyl-(zinc)porphyrin] adducts with [Pd3(dppm)3(CO)]2+ clusters.

Graphical abstract: Singlet and triplet energy transfer rate acceleration by additions of clusters in supramolecular pigment-organometallic cluster assemblies
From the themed collection: Supramolecular Chemistry
Communication

Supramolecular polymeric micelles by the host–guest interaction of star-like calix[4]arene and chlorin e6 for photodynamic therapy

A supramolecular drug delivery system has been developed via the self-assembly of a drug-based supramolecular amphiphile constructed by host–guest interaction.

Graphical abstract: Supramolecular polymeric micelles by the host–guest interaction of star-like calix[4]arene and chlorin e6 for photodynamic therapy
From the themed collection: Supramolecular Chemistry
Communication

Self-inclusion of proline-functionalised calix[4]arene leads to hydrogelation

The hydrogelation properties of a proline-functionalised calix[4]arene emerge as a result of extended helical structures formed via supramolecular interactions.

Graphical abstract: Self-inclusion of proline-functionalised calix[4]arene leads to hydrogelation
From the themed collection: Supramolecular Chemistry
Communication

Photoswitching tetranuclear rhenium(I) tricarbonyl diimine complexes with a stilbene-like bridging ligand

Highly efficient photoswitching tetranuclear rhenium(I) tricarbonyl diimine complexes with a stilbene-like bridging ligand are reported. Directly populating excited states localized on the bridging ligand results in effective photoisomerization.

Graphical abstract: Photoswitching tetranuclear rhenium(i) tricarbonyl diimine complexes with a stilbene-like bridging ligand
From the themed collection: Supramolecular Chemistry
Communication

An expanded neutral M4L6 cage that encapsulates four tetrahydrofuran molecules

Expanding a bis-β-diketone ligand by extending the bridge between the coordination domains from phenylene to biphenylene leads to a near 5-fold increase in the central cavity, one THF molecule occupies the small cavity while the expanded analogue holds four.

Graphical abstract: An expanded neutral M4L6 cage that encapsulates four tetrahydrofuran molecules
From the themed collection: Supramolecular Chemistry
Communication

Supramolecular chirality transfer to large random aggregates of porphyrins

Chirality can be transferred to preformed fractal aggregates of a Cu(II) metalloporphyrin, whose CD spectrum is initially silent, through the interaction with polyglutamic acid molecules acting as the source of chiral information.

Graphical abstract: Supramolecular chirality transfer to large random aggregates of porphyrins
From the themed collection: Supramolecular Chemistry
Communication

Enhanced photocurrents via redox modulation by fluoride binding to oxoporphyrinogen in a zinc porphyrin-oxoporphyrinogen surface modified TiO2 supramolecular solar cell

A novel approach for improving a supramolecular solar cell by redox tuning through fluoride anion binding to the redox active host is demonstrated.

Graphical abstract: Enhanced photocurrents via redox modulation by fluoride binding to oxoporphyrinogen in a zinc porphyrin-oxoporphyrinogen surface modified TiO2 supramolecular solar cell
From the themed collection: Supramolecular Chemistry
Communication

Colour coding the co-conformations of a [2]rotaxane flip-switch

A [2]rotaxane flip-switch can exist in either of two distinct co-conformers. Fine-tuning the charge transfer chromophores in a series of flip-switches yielded a unique optical signal (purple colour) for one of the interactions allowing for facile determination of the position of the flip-switch equilibrium and the distribution of co-conformers.

Graphical abstract: Colour coding the co-conformations of a [2]rotaxane flip-switch
From the themed collection: Supramolecular Chemistry
Communication

Lewis acid enhanced switching of the 1,1-dicyanodihydroazulene/vinylheptafulvene photo/thermoswitch

Mild Lewis acids enhance thermal conversion of vinylheptafulvene (VHF) to dihydroazulene (DHA), while stronger Lewis acids promote ring-opening of DHA.

Graphical abstract: Lewis acid enhanced switching of the 1,1-dicyanodihydroazulene/vinylheptafulvene photo/thermoswitch
From the themed collection: Supramolecular Chemistry
Communication

“On-demand” control of thermoresponsive properties of poly(N-isopropylacrylamide) with cucurbit[8]uril host–guest complexes

Chain end complexation of a functional PNIPAM by a cucurbit[8]uril-viologen complex causes a shift in its lower critical solution temperature (LCST) by over 5 °C.

Graphical abstract: “On-demand” control of thermoresponsive properties of poly(N-isopropylacrylamide) with cucurbit[8]uril host–guest complexes
From the themed collection: Supramolecular Chemistry
Communication

Combining coordination and supramolecular chemistry for the formation of uranyl-organic hybrid materials

Combined use of supramolecular and coordination chemistry results in a new family of uranyl-bearing hybrid materials.

Graphical abstract: Combining coordination and supramolecular chemistry for the formation of uranyl-organic hybrid materials
From the themed collection: Supramolecular Chemistry
Communication

Sodium and barium cation-templated synthesis and cation-induced molecular pirouetting of a pyridine N-oxide containing [2]rotaxane

Sodium and barium metal cation templation has been used to construct a pyridine N-oxide containing [2]rotaxane which undergoes a pirouetting molecular motion upon addition and removal of these cations

Graphical abstract: Sodium and barium cation-templated synthesis and cation-induced molecular pirouetting of a pyridine N-oxide containing [2]rotaxane
From the themed collection: Supramolecular Chemistry
Communication

Influence of charge repulsion on binding strengths: experimental and computational characterization of mixed alkali metal complexes of decamethylcucurbit[5]uril in the gas phase

Gas phase calculations and experiments agree that binding strengths depend strongly on the proximity of the binding sites for two ions.

Graphical abstract: Influence of charge repulsion on binding strengths: experimental and computational characterization of mixed alkali metal complexes of decamethylcucurbit[5]uril in the gas phase
From the themed collection: Supramolecular Chemistry
Communication

A gemini guest triggers the self-assembly of a calixarene capsule in water at neutral pH

A gemini guest induces the self-assembly of a homodimeric capsule when interacting with a calixarene-based host in neutral aqueous solution.

Graphical abstract: A gemini guest triggers the self-assembly of a calixarene capsule in water at neutral pH
From the themed collection: Supramolecular Chemistry
Communication

Chiral porphyrin dimer with a macrocyclic cavity for intercalation of aromatic guests

Chiral diporphyrin receptor 1 enabled the naked-eye detection of an aromatic explosive as well as chiral discrimination in NMR.

Graphical abstract: Chiral porphyrin dimer with a macrocyclic cavity for intercalation of aromatic guests
From the themed collection: Supramolecular Chemistry
Communication

Linking [FeIII3] triangles with “double-headed”phenolic oximes

The use of “double-headed” phenolic oximes produces a trigonal antiprismatic [FeIII3]2 cluster with an “internal cavity” filled with an additional Fe3+ ion.

Graphical abstract: Linking [FeIII3] triangles with “double-headed”phenolic oximes
From the themed collection: Supramolecular Chemistry
Communication

Reversible anion-templated self-assembly of [2+2] and [3+3] metallomacrocycles containing a new dicopper(I) motif

A dicopper(I) complex is incorporated into extended architectures through reversible carboxylate templation under pH control forming [2+2] and [3+3] metallomacrocycles.

Graphical abstract: Reversible anion-templated self-assembly of [2+2] and [3+3] metallomacrocycles containing a new dicopper(i) motif
From the themed collection: Supramolecular Chemistry
Communication

Anomalous thermal expansion of an organic crystal—implications for elucidating the mechanism of an enantiotropic phase transformation

Two enantiotropic polymorphs of a dumbbell shaped molecule possess similar packing arrangements but one of the polymorphs shows anomalously anisotropic thermal expansion while the other does not.

Graphical abstract: Anomalous thermal expansion of an organic crystal—implications for elucidating the mechanism of an enantiotropic phase transformation
From the themed collection: Supramolecular Chemistry
Communication

Cyclo[2]benzimidazole: luminescence turn-on sensing of anions

Cyclo[2]benzimidazole is a new host for anions that turns on its luminescence up to 150 fold upon binding.

Graphical abstract: Cyclo[2]benzimidazole: luminescence turn-on sensing of anions
From the themed collection: Supramolecular Chemistry
Communication

Anion-directed assembly of a three-dimensional metal–organic rotaxane framework

A new one-pot self-assembly process is used to create a three-dimensional extended, metal–organic rotaxane framework (MORF) that incorporates encircled “struts”.

Graphical abstract: Anion-directed assembly of a three-dimensional metal–organic rotaxane framework
From the themed collection: Supramolecular Chemistry
Communication

Covalent ladder formation becomes kinetically trapped beyond four rungs

Scrambling experiments suggest that oligomers cross-linked by four imine bonds are kinetically trapped, limiting the synthesis of covalent ladders with five or more rungs.

Graphical abstract: Covalent ladder formation becomes kinetically trapped beyond four rungs
From the themed collection: Celebrating our 2018 prize and award winners
Communication

New polymorphs of curcumin

Two new crystalline polymorphs and an amorphous phase of curcumin, the most active chemical ingredient of turmeric, are reported. The new Form 2 has higher solubility and dissolution rate compared to the known commercial form.

Graphical abstract: New polymorphs of curcumin
Communication

Open aryl triazole receptors: planar sheets, spheres and anion binding

The morphology of the aggregates formed from the self-assembly of aryl triazole amphiphiles is disrupted upon the binding of a bromide anion due to the conformational changes experienced by these receptors.

Graphical abstract: Open aryl triazole receptors: planar sheets, spheres and anion binding
From the themed collection: Supramolecular Chemistry
Communication

A smart magnetic resonance imaging contrast agent responsive to adenosine based on a DNA aptamer-conjugated gadolinium complex

The relaxivity of the gadolinium compound is regulated by the presence of adenosine.

Graphical abstract: A smart magnetic resonance imaging contrast agent responsive to adenosine based on a DNA aptamer-conjugated gadolinium complex
From the themed collection: Supramolecular Chemistry
Communication

Self-assembly and conductivity of hydrogen-bonded oligothiophene nanofiber networks

Symmetric oligothiophene derivatives containing hydrogenbonding groups form self-supporting organogels with conductive supramolecular networks of 1D nanostructures.

Graphical abstract: Self-assembly and conductivity of hydrogen-bonded oligothiophene nanofiber networks
From the themed collection: Supramolecular Chemistry
Communication

Encapsulation of transition metal atoms into carbon nanotubes: a supramolecular approach

A functionalised fullerene incorporating a double-chelating group binds transition metal cations and acts as an effective vehicle for delivering metals into carbon nanotubes.

Graphical abstract: Encapsulation of transition metal atoms into carbon nanotubes: a supramolecular approach
From the themed collection: Supramolecular Chemistry
Communication

Donor-extended tripodal pyrroles: encapsulation, metallation, and H-bonded tautomers

We have shown that the addition of imine substituents to a tripodal pyrrole results in a versatile platform for both metallation and supramolecular interactions.

Graphical abstract: Donor-extended tripodal pyrroles: encapsulation, metallation, and H-bonded tautomers
From the themed collection: Supramolecular Chemistry
Communication

The importance of methylation in the binding of (ferrocenylmethyl)tempammonium guests by cucurbit[n]uril (n = 7, 8) hosts

The extent of methylation of a guest's ammonium nitrogen controls the predominant binding site with the cucurbit[8]uril host.

Graphical abstract: The importance of methylation in the binding of (ferrocenylmethyl)tempammonium guests by cucurbit[n]uril (n = 7, 8) hosts
From the themed collection: Supramolecular Chemistry
Communication

Engineering molecular crystals with abnormally weak cohesion

Adding methyl groups to hexaphenylbenzene weakens key C–H⋯π interactions, thereby decreasing enthalpies of sublimation and showing that materials with weak cohesion can be made by identifying and obstructing key interactions.

Graphical abstract: Engineering molecular crystals with abnormally weak cohesion
From the themed collection: Supramolecular Chemistry
Communication

New insights into the aggregation of silver pyrazolides using sterically hindered bidentate pyrazole ligands

Recrystallisation of Ag[L1] (HL1 = 3{5}-[pyrid-2-yl]-5{3}-tert-butylpyrazole) in the presence of exogenous anions leads to two polymorphs of [Ag3(μ-Br)(μ-L1)2], and to [Ag10(μ-L1)8]Cl2 (shown). In contrast, Ag[L2] (HL2 = 3{5}-[isoquinol-1-yl]-5{3}-tert-butyl-pyrazole) crystallises as a cyclic tetrameric molecule.

Graphical abstract: New insights into the aggregation of silver pyrazolides using sterically hindered bidentate pyrazole ligands
From the themed collection: Supramolecular Chemistry
Communication

Aldehyde responsive supramolecular hydrogels: towards biomarker-specific delivery systems

A reactive supramolecular hydrogel reacts with hydrophobic aldehydes causing disassembly of the fibrillar network and release of molecules entrapped within.

Graphical abstract: Aldehyde responsive supramolecular hydrogels: towards biomarker-specific delivery systems
From the themed collection: Supramolecular Chemistry
Communication

Templated dynamic cryptophane formation in water

The pH-responsive cryptophane spontaneously assembles in water from two cyclotribenzylenes and three linker units in the presence of a suitable guest.

Graphical abstract: Templated dynamic cryptophane formation in water
From the themed collection: Supramolecular Chemistry
Communication

High capacity gas storage by a 4,8-connected metal–organic polyhedral framework

The porous polyhedral complex [Cu4L(H2O)4]solv (NOTT-140), incorporating an octacarboxylate isophthalate linker, shows scu topology comprising octahedral and cuboctahedral cages; desolvated NOTT-140a shows impressive storage capacities for CH4, CO2 and H2.

Graphical abstract: High capacity gas storage by a 4,8-connected metal–organic polyhedral framework
From the themed collection: Supramolecular Chemistry
Communication

A simple fluorescence assay for the detection of fluoride in water at neutral pH

Detection of anions with cation sensors: the combination of a fluorescent indicator and a calcium salt can be used to sense low millimolar concentrations of fluoride ions in water and in complex samples such as dental health products.

Graphical abstract: A simple fluorescence assay for the detection of fluoride in water at neutral pH
From the themed collection: Supramolecular Chemistry
Communication

A permanently porous van der Waals solid by using phosphonate monoester linkers in a metal organic framework

A new class of phosphonate monoester ligands is used to make a porous MOF with a structure that is supported by weak van der Waals interactions between alkyl chains.

Graphical abstract: A permanently porous van der Waals solid by using phosphonate monoester linkers in a metal organic framework
From the themed collection: Supramolecular Chemistry
Communication

Synthon polymorphism and pseudopolymorphism in co-crystals. The 4,4′-bipyridine–4-hydroxybenzoic acid structural landscape

The structural landscape for the 4,4′-bipyridine–4-hydroxybenzoic acid system consists of two polymorphs and two pseudopolymorphs.

Graphical abstract: Synthon polymorphism and pseudopolymorphism in co-crystals. The 4,4′-bipyridine–4-hydroxybenzoic acid structural landscape
From the themed collection: Supramolecular Chemistry
Communication

Interplay between the diamine structure and absolute helicity in Ni–salen metallofoldamers

The ratio of helical diastereomers for Ni–salen based metallofoldamers varies significantly depending upon the nature of the chiral diamine subunit.

Graphical abstract: Interplay between the diamine structure and absolute helicity in Ni–salen metallofoldamers
From the themed collection: Supramolecular Chemistry
81 items - Showing page 1 of 2

About this collection

To mark the International Year of Chemistry 2011, ChemComm is publishing a major web collection of articles on Supramolecular Chemistry.

Supramolecular Chemistry is all about interactions between molecules: how they can recognise each other, assemble and function on a molecular scale. It provides a bottom up approach to nanoscale systems with applications ranging from biology to materials science.

The chemistry presented in this ChemComm web-theme will be from the leaders in supramolecular chemistry with applications across many areas.

The guest editors of this issue are Philip Gale, Jonathan Sessler and Jonathan Steed.

Articles in this web-theme will be added to the list below as soon as possible after publication. Please return to this page frequently to see this collection grow.

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