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Themed collection International Symposium on Macrocyclic & Supramolecular Chemistry (ISMSC) in conjunction with ISACS

21 items
Open Access Edge Article

Overcoming double-step CO2 adsorption and minimizing water co-adsorption in bulky diamine-appended variants of Mg2(dobpdc)

Judicious choice of framework structure allows for single CO2 adsorption steps with bulky primary,secondary diamines appended to metal–organic frameworks.

Graphical abstract: Overcoming double-step CO2 adsorption and minimizing water co-adsorption in bulky diamine-appended variants of Mg2(dobpdc)
From the themed collection: Editor’s Choice – Jihong Yu
Open Access Edge Article

Supramolecular catalyst functions in catalytic amount: cucurbit[8]uril accelerates the photodimerization of Brooker’s merocyanine

As low as 1% content of a supramolecular catalyst, cucurbit[8]uril, is sufficient to accomplish the photodimerization of Brooker’s merocyanine within 10 minutes.

Graphical abstract: Supramolecular catalyst functions in catalytic amount: cucurbit[8]uril accelerates the photodimerization of Brooker’s merocyanine
From the themed collection: ISACS21: Challenges in Nanoscience
Open Access Edge Article

Catalytic 1,2-dihydronaphthalene and E-aryl-diene synthesis via CoIII–Carbene radical and o-quinodimethane intermediates

Catalytic synthesis of substituted 1,2-dihydronaphthalenes via metalloradical activation of o-styryl N-tosyl hydrazones is presented. Substrates with an alkyl substituent on the allylic position reacted to form E-aryl-dienes rather than the expected 1,2-dihydronaphthalenes.

Graphical abstract: Catalytic 1,2-dihydronaphthalene and E-aryl-diene synthesis via CoIII–Carbene radical and o-quinodimethane intermediates
Open Access Edge Article

Effective stabilization of a planar phosphorus(III) center embedded in a porphyrin-based fused aromatic skeleton

Planar phosphorus(III) centers were effectively stabilized by structural constraint as well as aromatic stabilization in porphyrin-based fused π-conjugated frameworks.

Graphical abstract: Effective stabilization of a planar phosphorus(iii) center embedded in a porphyrin-based fused aromatic skeleton
Open Access Edge Article

Influence of axle length on the rate and mechanism of shuttling in rigid H-shaped [2]rotaxanes

Shuttling rates for neutral and charged [2]rotaxanes with rigid axles varying in lengths from 7.4 to 20.3 Å were found to be independent of the length of the axle, except when the distance was short enough to allow the ring to interact with both recognition sites which provided a short-cut mechanism that significantly lowered the energy barrier.

Graphical abstract: Influence of axle length on the rate and mechanism of shuttling in rigid H-shaped [2]rotaxanes
Open Access Edge Article

Spatially-resolved soft materials for controlled release – hybrid hydrogels combining a robust photo-activated polymer gel with an interactive supramolecular gel

Self-supporting photo-patterned hybrid gels achieve controlled directional release depending on their surrounding environment.

Graphical abstract: Spatially-resolved soft materials for controlled release – hybrid hydrogels combining a robust photo-activated polymer gel with an interactive supramolecular gel
Open Access Edge Article

Multi-component hybrid hydrogels – understanding the extent of orthogonal assembly and its impact on controlled release

This paper reports self-assembled multi-component hybrid hydrogels including a range of nanoscale systems and characterizes the extent to which each component maintains its own unique functionality, demonstrating that multi-functionality can be achieved by simply mixing carefully-chosen constituents.

Graphical abstract: Multi-component hybrid hydrogels – understanding the extent of orthogonal assembly and its impact on controlled release
Open Access Edge Article

A complementary pair of enantioselective switchable organocatalysts

A pair of enantioselective switchable bifunctional catalysts are shown to promote a range of conjugate addition reactions in up to 95 : 5 e.r. and 95% conversion.

Graphical abstract: A complementary pair of enantioselective switchable organocatalysts
Open Access Edge Article

Multi-functional bis(alkynyl)gold(III) N⁁C complexes with distinct mechanochromic luminescence and electroluminescence properties

A new class of highly luminescent bis(alkynyl)gold(III) N⁁C complexes has been utilized as emissive materials in OLEDs and exhibits mechanochromic behaviors.

Graphical abstract: Multi-functional bis(alkynyl)gold(iii) N⁁C complexes with distinct mechanochromic luminescence and electroluminescence properties
From the themed collection: In celebration of Chinese New Year
Open Access Edge Article

Porphyrinoid rotaxanes: building a mechanical picket fence

We demonstrate that the threaded macrocycles in interlocked porphyrin–corrole conjugates provide a mechanical “picket fence” without affecting their electronic properties.

Graphical abstract: Porphyrinoid rotaxanes: building a mechanical picket fence
Open Access Edge Article

Impact of mechanical bonding on the redox-switching of tetrathiafulvalene in crown ether–ammonium [2]rotaxanes

Switchable crown ether–ammonium [2]rotaxanes with a redox-active tetrathiafulvalene (TTF) unit implemented in their wheels were synthesised and fully characterised.

Graphical abstract: Impact of mechanical bonding on the redox-switching of tetrathiafulvalene in crown ether–ammonium [2]rotaxanes
Open Access Edge Article

Inside information on xenon adsorption in porous organic cages by NMR

In-depth experimental and computational 129Xe NMR analysis of extraordinarily efficient adsorption of xenon in a porous organic cage.

Graphical abstract: Inside information on xenon adsorption in porous organic cages by NMR
Open Access Edge Article

Discrimination of supramolecular chirality using a protein nanopore

Transmembrane protein nanopores are shown to be capable of discriminating the supramolecular chirality of cage complexes at the single-molecule level.

Graphical abstract: Discrimination of supramolecular chirality using a protein nanopore
Open Access Edge Article

Highly effective ammonia removal in a series of Brønsted acidic porous polymers: investigation of chemical and structural variations

Efficient removal of ammonia from air is demonstrated in a series of Brønsted acidic porous polymers under dry and humid conditions. The impact of acidic group strength and their spatial distribution on the ammonia uptake is investigated systematically.

Graphical abstract: Highly effective ammonia removal in a series of Brønsted acidic porous polymers: investigation of chemical and structural variations
Open Access Edge Article

Structural characterization of framework–gas interactions in the metal–organic framework Co2(dobdc) by in situ single-crystal X-ray diffraction

In situ single-crystal X-ray diffraction experiments enable the direct observation of weak metal–gas interactions in a metal–organic framework.

Graphical abstract: Structural characterization of framework–gas interactions in the metal–organic framework Co2(dobdc) by in situ single-crystal X-ray diffraction
Open Access Edge Article

Enantioselective carbohydrate recognition by synthetic lectins in water

These chiral “synthetic lectins” are the first to discriminate between carbohydrate enantiomers, and also show unprecedented affinities for monosaccharide substrates.

Graphical abstract: Enantioselective carbohydrate recognition by synthetic lectins in water
Open Access Edge Article

Reversible mechanical protection: building a 3D “suit” around a T-shaped benzimidazole axle

A benzimidazole molecule can be protected from deprotonation with strong base by converting into a suit[1]ane – a type of 3D mechanically interlocked molecule. Utilising a combination of ring-closing and ring-opening metathesis, the wearing of the protective “suit” can be made reversible.

Graphical abstract: Reversible mechanical protection: building a 3D “suit” around a T-shaped benzimidazole axle
Open Access Edge Article

White-light emission from discrete heterometallic lanthanide-directed self-assembled complexes in solution

Herein, we have developed a white-light-emitting system based on the formation of discrete lanthanide-based self-assembled complexes using a newly-designed ligand. We demonstrate that fine tuning of the lanthanide ions molar ratio in the self-assemblies combined with the intrinsic blue fluorescence of the ligand allows for the successful emission of pure white light with CIE coordinates of (0.33, 0.34).

Graphical abstract: White-light emission from discrete heterometallic lanthanide-directed self-assembled complexes in solution
Open Access Edge Article

Template-directed synthesis of linear porphyrin oligomers: classical, Vernier and mutual Vernier

We demonstrate a variety of template-directed strategies for preparing linear monodisperse butadiyne-linked porphyrin oligomers by Glaser–Hay coupling, based on the coordination of pyridine-substituted nickel(II) porphyrins to zinc(II) porphyrins.

Graphical abstract: Template-directed synthesis of linear porphyrin oligomers: classical, Vernier and mutual Vernier
Open Access Edge Article

Highly planar diarylamine-fused porphyrins and their remarkably stable radical cations

Oxidative fusion of a meso-phenoxazino Ni(II) porphyrin at high temperature gave a doubly phenoxazine-fused porphyrin as a highly planar diarylamine-fused porphyrin. One-electron oxidation of the corresponding β,β-dichlorinated compound gave a remarkably stable radical cation.

Graphical abstract: Highly planar diarylamine-fused porphyrins and their remarkably stable radical cations
Open Access Edge Article

Perylene bisimide hydrogels and lyotropic liquid crystals with temperature-responsive color change

Tuning of the temperature response of perylene bisimide hydrogels exhibiting LCST behavior has been achieved by social self-assembly in water.

Graphical abstract: Perylene bisimide hydrogels and lyotropic liquid crystals with temperature-responsive color change
21 items

About this collection

We are delighted to present this web collection which contains selected contributions from the ISMSC/ISACS meeting held in Cambridge, UK in July 2017. Delegates from countries around the world gathered to hear from leading researchers in this exciting field and now we have the opportunity to share with you exciting new research from a number of our plenary speakers and scientific committee members. We hope you enjoy the collection.

Articles in this themed collection will be added below as soon as possible after they are published.

Please return to this page frequently to see the collection grow.

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