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Themed collection In celebration of Paul Beer’s 60th Birthday

60 items
Perspective

Exploiting the dithiocarbamate ligand in metal-directed self-assembly

This Perspective examines the versatility of the dithiocarbamate ligand in metal-directed self-assembly. The ligand has been utilised to form a variety of well-defined architectures, which can participate in host–guest chemistry and in stabilising gold nanoparticles.

Graphical abstract: Exploiting the dithiocarbamate ligand in metal-directed self-assembly
From the themed collection: In celebration of Paul Beer’s 60th Birthday
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
Feature Article

Mechanically interlocked and switchable molecules at surfaces

This feature article summarises the developments made in the surface assembly and characterisation of mechanically interlocked molecules, including recent progress in exploiting templating methods to interlock molecular systems on surfaces.

Graphical abstract: Mechanically interlocked and switchable molecules at surfaces
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Feature Article

Anion-templated assembly of interpenetrated and interlocked structures

The rational development of a general anion templation strategy for the construction of interpenetrated and interlocked molecular structures based upon the coupling of anion recognition with ion-pairing is described.

Graphical abstract: Anion-templated assembly of interpenetrated and interlocked structures
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Feature Article

Anion recognition and redox sensing amplification by self-assembled monolayers of 1,1′-bis(alkyl-N-amido)ferrocene

Surface pre-organisation within robust amidoferrocene self-assembled monolayers can be exploited in the selective electrochemical sensing of anions in both organic and aqueous media.

Graphical abstract: Anion recognition and redox sensing amplification by self-assembled monolayers of 1,1′-bis(alkyl-N-amido)ferrocene
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Emerging Area

Interlocked host rotaxane and catenane structures for sensing charged guest species via optical and electrochemical methodologies

Interlocked host molecules are demonstrated to exhibit high degrees of molecular recognition which, when coupled to appended reporter groups, make them highly promising candidates for the development of molecular sensors.

Graphical abstract: Interlocked host rotaxane and catenane structures for sensing charged guest species via optical and electrochemical methodologies
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Review Article

Metal ions in the synthesis of interlocked molecules and materials

We discuss the various roles that metal ions play, and their advantages, in the synthesis of mechanically interlocked materials.

Graphical abstract: Metal ions in the synthesis of interlocked molecules and materials
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Review Article

Progress in the synthesis and exploitation of catenanes since the Millennium

Key developments including the utilization of new metal cation and anion templates, dynamic combinatorial chemistry, molecular machines and the incorporation of catenanes onto surfaces and into metal organic frameworks are reviewed.

Graphical abstract: Progress in the synthesis and exploitation of catenanes since the Millennium
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Review Article

Meldola Medal Lecture. Redox responsive macrocyclic receptor molecules containing transition metal redox centres

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Tutorial Review

Sulfate anion templation of macrocycles, capsules, interpenetrated and interlocked structures

The potential of the sulfate dianion to template the formation of complex molecular architectures including helixes, capsules, and interlocked systems is discussed.

Graphical abstract: Sulfate anion templation of macrocycles, capsules, interpenetrated and interlocked structures
From the themed collection: Jean-Pierre Sauvage
Tutorial Review

Anion templated assembly of mechanically interlocked structures

A new strategic anion templation methodology has been developed for the synthesis of interpenetrated pseudorotaxane, rotaxane and catenane structures, designed with a view to producing new highly selective anion receptors after template removal.

Graphical abstract: Anion templated assembly of mechanically interlocked structures
From the themed collection: Supramolecular Chemistry
Communication

Selective perrhenate recognition in pure water by halogen bonding and hydrogen bonding alpha-cyclodextrin based receptors

Alpha-cyclodextrin based anion receptors containing halogen and hydrogen bond donor motifs display selective association of perrhenate in neutral aqueous media.

Graphical abstract: Selective perrhenate recognition in pure water by halogen bonding and hydrogen bonding alpha-cyclodextrin based receptors
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Open Access Communication

Neutral iodotriazole foldamers as tetradentate halogen bonding anion receptors

A tetradentate halogen bond donor foldamer receptor framework is shown to exhibit enhanced anion recognition and chiral discrimination properties.

Graphical abstract: Neutral iodotriazole foldamers as tetradentate halogen bonding anion receptors
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Enhancing the enantioselective recognition and sensing of chiral anions by halogen bonding

Novel halogen bonding chiral (S)-1,1′-bi-2-naphthol-based receptor molecules significantly enhance enantioselective anion recognition and electrochemical sensing compared to their hydrogen bonding analogues.

Graphical abstract: Enhancing the enantioselective recognition and sensing of chiral anions by halogen bonding
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Halogen bonding-enhanced electrochemical halide anion sensing by redox-active ferrocene receptors

The first redox-active halogen bonding anion receptors display larger electrochemical voltammetric responses to halide binding compared to their hydrogen bonding analogues.

Graphical abstract: Halogen bonding-enhanced electrochemical halide anion sensing by redox-active ferrocene receptors
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Anion recognition in water by a rotaxane containing a secondary rim functionalised cyclodextrin stoppered axle

The synthesis of a water soluble [2]rotaxane is reported using hydrophilic secondary rim functionalised permethylated β-cyclodextrin derivatives as the axle stopper groups. The rotaxane recognises halide anions in pure water with impressive selectivity over sulfate.

Graphical abstract: Anion recognition in water by a rotaxane containing a secondary rim functionalised cyclodextrin stoppered axle
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Superior perrhenate anion recognition in water by a halogen bonding acyclic receptor

The first example of perrhenate anion binding and fluorescence sensing in water by a halogen bond donor is reported.

Graphical abstract: Superior perrhenate anion recognition in water by a halogen bonding acyclic receptor
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Nitrate anion templated synthesis of a [2]catenane for nitrate recognition in organic–aqueous solvent media

The first example of a catenane synthesised using a nitrate anion template is demonstrated. The resulting interlocked host is capable of selectively recognising nitrate over a range of more basic oxoanions in a competitive organic–aqueous solvent mixture.

Graphical abstract: Nitrate anion templated synthesis of a [2]catenane for nitrate recognition in organic–aqueous solvent media
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Open Access Communication

Neutral [2]rotaxane host systems that recognise halide anions in aqueous solvent mixtures

Four neutral [2]rotaxane host systems, synthesised via anion templation, are shown to recognise halide anions in aqueous solvent mixtures.

Graphical abstract: Neutral [2]rotaxane host systems that recognise halide anions in aqueous solvent mixtures
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Open Access Communication

Nitrate anion templated assembly of a [2]rotaxane for selective nitrate recognition in aqueous solvent mixtures

The first nitrate templated synthesis of an interlocked structure is reported. The resulting rotaxane host selectively recognises nitrate in preference to other mono-oxoanions in aqueous solvent mixtures.

Graphical abstract: Nitrate anion templated assembly of a [2]rotaxane for selective nitrate recognition in aqueous solvent mixtures
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Iodo-imidazolium salts: halogen bonding in crystals and anion-templated pseudorotaxanes

The 2-iodoimidazolium group is exploited in the anion-templated assembly of pseudorotaxanes with isophthalamide containing macrocycles.

Graphical abstract: Iodo-imidazolium salts: halogen bonding in crystals and anion-templated pseudorotaxanes
Communication

Fluorogenic dansyl-ligated gold nanoparticles for the detection of sulfur mustard by displacement assay

The dansyl fluorophore ligated to gold nanoparticles via imidazole and amine groups affords conjugates capable of detecting micromolar concentrations of the chemical warfare agent sulfur mustard by a fluorescence switching ‘ON’ displacement assay.

Graphical abstract: Fluorogenic dansyl-ligated gold nanoparticles for the detection of sulfur mustard by displacement assay
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

A redox-active [3]rotaxane capable of binding and electrochemically sensing chloride and sulfate anions

A redox-active [3]rotaxane exhibits different binding and electrochemical responses to chloride and sulfate anions in competitive solvent media.

Graphical abstract: A redox-active [3]rotaxane capable of binding and electrochemically sensing chloride and sulfate anions
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Anion induced and inhibited circumrotation of a [2]catenane

The first example of a catenane capable of performing circumrotation via an anion switching methodology is described; of particular interest is a conformational locking mechanism which results from chloride coordination in the catenane binding cavity.

Graphical abstract: Anion induced and inhibited circumrotation of a [2]catenane
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Cooperative AND receptor for ion-pairs

A new calix[4]diquinone species has been found to bind simple ion-pair systems strongly where no discernible affinity for either of the free ions is observed.

Graphical abstract: Cooperative AND receptor for ion-pairs
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Anion directed synthesis of a hydrogensulfate selective luminescent rotaxane

A new photo-active rhenium(I) bipyridyl based rotaxane has been synthesised making use of a strategy founded on anion templation. By virtue of the unique interlocked structural cavity, the rotaxane selectively senses hydrogensulfate using luminescence spectroscopy.

Graphical abstract: Anion directed synthesis of a hydrogensulfate selective luminescent rotaxane
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Indolocarbazoles: a new family of anion sensors

Simple preorganised indolo[2,3-a]carbazole derivatives are shown to recognise and sense anionic guest species using fluorescence spectroscopy.

Graphical abstract: Indolocarbazoles: a new family of anion sensors
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Halide anion directed assembly of luminescent pseudorotaxanes

A series of new photo-active rhenium(I) bipyridyl based pseudorotaxane complexes is assembled via halide anion templation.

Graphical abstract: Halide anion directed assembly of luminescent pseudorotaxanes
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Calix[4]arene based dendrimers

The synthesis of calix[4]arene based dendrimers containing up to seven calix[4]arene moieties is described, including the X-ray crystal structure of a tris-calix[4]arene branching derivative.

Graphical abstract: Calix[4]arene based dendrimers
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

The binding of difunctional neutral guest molecules by novel bis(tripyrrolyl) cryptands

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Communication

Dendrimers based on multiple 1,4,7-triazacyclononane derivatives

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Open Access Edge Article

Superior anion induced shuttling behaviour exhibited by a halogen bonding two station rotaxane

Two bistable halogen and hydrogen bonding-naphthalene diimide [2]rotaxanes have been prepared and the system incorporating a halogen bond donor anion recognition site is demonstrated to exhibit superior anion induced translational motion of the macrocyclic wheel component relative to the hydrogen bonding analogue.

Graphical abstract: Superior anion induced shuttling behaviour exhibited by a halogen bonding two station rotaxane
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Edge Article

Solution and surface-confined chloride anion templated redox-active ferrocene catenanes

The first ferrocene containing catenanes, in solution and on a surface, have been prepared by chloride anion templation.

Graphical abstract: Solution and surface-confined chloride anion templated redox-active ferrocene catenanes
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Edge Article

Cation-induced molecular motion of spring-like [2]catenanes

The synthesis and cation recognition studies of two novel heteroditopic [2]catenanes that are capable of exhibiting cation induced reversible rotary motion is described. Barium cation complexation triggers a partial intra-ring rotation of the catenanes which is reversed upon addition of sulfate.

Graphical abstract: Cation-induced molecular motion of spring-like [2]catenanes
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Edge Article

A dual-functional tetrakis-imidazolium macrocycle for supramolecular assembly

A new versatile tetrakis-imidazolium macrocycle for use in supramolecular applications is reported. It displays excellent affinities for π-electron rich neutral guests such as 1,5-dihydroxynaphthalene derivatives and TTF, providing opportunities for the construction of interlocked molecules, as well as exhibiting extensive and potent anion coordination chemistry.

Graphical abstract: A dual-functional tetrakis-imidazolium macrocycle for supramolecular assembly
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Cationic all-halogen bonding rotaxanes for halide anion recognition

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Copper(II)-directed synthesis of neutral heteroditopic [2]rotaxane ion-pair host systems incorporating hydrogen and halogen bonding anion binding cavities

Neutral heteroditopic [2]rotaxane ion-pair host systems were synthesised via a copper(II)-directed metal template strategy and shown to undergo cooperative anion recognition with a co-bound zinc(II) cation.

Graphical abstract: Copper(ii)-directed synthesis of neutral heteroditopic [2]rotaxane ion-pair host systems incorporating hydrogen and halogen bonding anion binding cavities
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Open Access Paper

Tripodal halogen bonding iodo-azolium receptors for anion recognition

The preparation and anion binding properties of 1,3,5-tri-substituted benzene platform-based tripodal receptors containing halogen bonding (XB) iodo-imidazolium and iodo-triazolium motifs, and hydrogen bonding (HB) analogues are described.

Graphical abstract: Tripodal halogen bonding iodo-azolium receptors for anion recognition
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Halogen bonding rotaxanes for nitrate recognition in aqueous media

Incorporating halogen bonding into an interlocked [2]rotaxane anion host system results in unprecedented nitrate recognition in 90% water.

Graphical abstract: Halogen bonding rotaxanes for nitrate recognition in aqueous media
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Chelated charge assisted halogen bonding enhanced halide recognition by a pyridinium-iodotriazolium axle containing [2]rotaxane

A dicationic halogen bonding rotaxane displays enhanced binding and selectivity for bromide over other halides and nitrate and dihydrogen phosphate oxoanions in contrast to an all hydrogen bonding counterpart which is attributed to chelated charge assisted halogen bonding interactions.

Graphical abstract: Chelated charge assisted halogen bonding enhanced halide recognition by a pyridinium-iodotriazolium axle containing [2]rotaxane
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Open Access Paper

Substituent effects on fluoride binding by lanthanide complexes of DOTA-tetraamides

Fluoride binding by lanthanide complexes of a range of DOTA tetraamides changes the magnetic anisotropy at the metal centre from an easy axis to an easy plane.

Graphical abstract: Substituent effects on fluoride binding by lanthanide complexes of DOTA-tetraamides
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Open Access Paper

Axial fluoride binding by lanthanide DTMA complexes alters the local crystal field, resulting in dramatic spectroscopic changes

Dramatic changes are observed in both the NMR and luminescence spectra of LnDTMA complexes on addition of fluoride, consistent with a change in the nature of the magnetic anisotropy at the paramagnetic lanthanide centre.

Graphical abstract: Axial fluoride binding by lanthanide DTMA complexes alters the local crystal field, resulting in dramatic spectroscopic changes
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Contrasting anion recognition behaviour exhibited by halogen and hydrogen bonding rotaxane hosts

A [2]rotaxane anion host that switches selectivity from dihydrogen phosphate to the halides upon substituting a hydrogen bond donor group for a halogen bond donor group within the axle component is described.

Graphical abstract: Contrasting anion recognition behaviour exhibited by halogen and hydrogen bonding rotaxane hosts
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Open Access Paper

Halogen- and hydrogen-bonding triazole-functionalised porphyrin-based receptors for anion recognition

Halogen-bonding iodotriazole anion recognition groups have been integrated into a picket-fence zinc(II)-metalloporphyrin scaffold to produce a receptor with enhanced halide anion recognition and sensing applications.

Graphical abstract: Halogen- and hydrogen-bonding triazole-functionalised porphyrin-based receptors for anion recognition
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

A rotaxane host system containing integrated triazole C–H hydrogen bond donors for anion recognition

A novel bis-triazole pyridinium axle containing rotaxane, prepared by a chloride anion templated ring closing metathesis clipping strategy, exhibits selectivity for halide anions over oxoanions with a notable preference for bromide being shown amongst the halides.

Graphical abstract: A rotaxane host system containing integrated triazole C–H hydrogen bond donors for anion recognition
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Haloaurate and halopalladate imidazolium salts: structures, properties, and use as precursors for catalytic metal nanoparticles

We report the synthesis and structural characterisation of a series of gold- and palladium-containing imidazolium salts. The reduction of these salts can give nanoparticles stabilised either by surfactant or carbene species which demonstrate catalytic activity even while ligands are attached to the metal surface.

Graphical abstract: Haloaurate and halopalladate imidazolium salts: structures, properties, and use as precursors for catalytic metal nanoparticles
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Investigating the effect of macrocycle size in anion templated imidazolium-based interpenetrated and interlocked assemblies

The effect of varying the size of the macrocycle component on the formation of anion templated imidazolium interpenetrated assemblies and on the recognition properties of analogous interlocked rotaxane host systems is investigated.

Graphical abstract: Investigating the effect of macrocycle size in anion templated imidazolium-based interpenetrated and interlocked assemblies
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

A meta-xylenediamide macrocycle containing rotaxane anion host system constructed by a new synthetic clipping methodology

A meta-xylenediamide containing rotaxane is prepared by a novel synthetic procedure, and exhibits selective halide anion recognition.

Graphical abstract: A meta-xylenediamide macrocycle containing rotaxane anion host system constructed by a new synthetic clipping methodology
From the themed collection: In honour of Didier Astruc
Paper

Amplification of anion sensing by disulfide functionalized ferrocene and ferrocene-calixarene receptors adsorbed onto gold surfaces

Anion sensing by ferrocene functionalized receptors is significantly enhanced when adsorbed at gold surfaces.

Graphical abstract: Amplification of anion sensing by disulfide functionalized ferrocene and ferrocene-calixarene receptors adsorbed onto gold surfaces
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Tuning the strength and selectivity of ion-pair recognition using heteroditopic calix[4]arene-based receptors

The fine tuning of selectivity and strength of cooperative ion-pair recognition using heteroditopic calix[4]arene-based receptors has been achieved. These modulations in binding properties are found to depend critically on the cation binding site and the macrocyclic nature of the receptors.

Graphical abstract: Tuning the strength and selectivity of ion-pair recognition using heteroditopic calix[4]arene-based receptors
From the themed collection: In honour of George Gokel
Paper

Halo-Derivatised Calix[4]tubes

Novel halo-derivatised calix[4]tubes exhibit exceptional selectivity for potassium as evidenced by NMR, ESMS and molecular modelling studies.

Graphical abstract: Halo-Derivatised Calix[4]tubes
From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

A new carboxylate anion selective cobaltocenium calix[4]arene receptor

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Solvent dependent anion selectivity exhibited by neutral ferrocenoyl receptors

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Anion selective recognition and optical/electrochemical sensing by novel transition-metal receptor systems

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Synthesis and X-ray crystal structure of a new redox-active calix[5]arene containing a totally included ethanol molecule

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Dimer and trimer calix[4]arenes containing multiple metallocene redox-active centres. Single-crystal X-ray structure of a bis(ferrocene)-bis(p-t-butylcalix[4]-arene) hydrophobia host molecule

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

The synthesis and electrochemistry of novel redox responsive molybdenum complexes containing cyclic polyether cation binding sites

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

The synthesis of a novel Schiff base bis(crown ether) ligand containing recognition sites for alkali and transition metal guest cations

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Synthesis of novel metallocene bis(crown ethers). Potassium selective intramolecular sandwich-type complexation observed by fast atom bombardment mass spectrometry

From the themed collection: In celebration of Paul Beer’s 60th Birthday
Paper

Pentaco-ordinate phosphorus compounds by nucleophilic addition to activated alkenes

From the themed collection: In celebration of Paul Beer’s 60th Birthday
60 items

About this collection

We are delighted to present this collection of 60 articles to celebrate the work of Paul Beer, on the occasion of his 60th birthday. This special collection has been organised by Chris Serpell and Phil Gale. During his research career, Paul has published more than 200 articles in Royal Society of Chemistry journals, participated in 15 themed issues, and notably published 83 times in ChemComm. This collection highlights his most recent work across a range of our journals, as well as a selection of his articles throughout his career. We would like to wish him a very happy birthday! 

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