New horizons for catalysis disclosed by supramolecular chemistry

G Olivo, G Capocasa, D Del Giudice… - Chemical Society …, 2021 - pubs.rsc.org
The adoption of a supramolecular approach in catalysis promises to address a number of
unmet challenges, ranging from activity (unlocking of novel reaction pathways) to selectivity …

The biologically inspired abilities of metallosupramolecular architectures

AC Pearcy, JD Crowley - Chemistry–A European Journal, 2023 - Wiley Online Library
Natural machinery such as proteins and enzymes can bind substrates and perform intricate
functions on these molecules. This behaviour is mediated by highly ordered but …

Multitasking with chemical fuel: Dissipative formation of a pseudorotaxane rotor from five distinct components

A Ghosh, I Paul, M Schmittel - Journal of the American Chemical …, 2021 - ACS Publications
A 3-fold completive self-sorted library of dynamic motifs was integrated into the design of the
pseudorotaxane-based rotor [Zn (2· H+)(3)(4)] 2+ operating at k 298= 15.4 kHz. The …

Parallel allosteric inhibition of shuttling motion and catalysis in a silver (I)-loaded [2] rotaxane

S Kundu, D Mondal, E Elramadi, I Valiyev… - Organic …, 2022 - ACS Publications
A dynamic silver (I)-loaded [2] rotaxane shuttle (k 298= 135 kHz) was converted allosterically
into a conformationally restricted [2] rotaxane due to the creation of a bulky imine in the …

Following a Silent Metal Ion: A Combined X-ray Absorption and Nuclear Magnetic Resonance Spectroscopic Study of the Zn2+ Cation Dissipative Translocation …

F Frateloreto, F Tavani, M Di Berto Mancini… - The Journal of …, 2022 - ACS Publications
The dissipative translocation of the Zn2+ ion between two prototypical coordination
complexes has been investigated by combining X-ray absorption and 1H NMR …

Accounts of applied molecular rotors and rotary motors: recent advances

A Singhania, S Kalita, P Chettri, S Ghosh - Nanoscale Advances, 2023 - pubs.rsc.org
Molecular machines are nanoscale devices capable of performing mechanical works at
molecular level. These systems could be a single molecule or a collection of component …

Dynamic negative allosteric effect: regulation of catalysis via multicomponent rotor speed

I Paul, I Valiyev, A Ghosh, M Schmittel - Chemical Communications, 2024 - pubs.rsc.org
Nanorotor R1 (420 kHz) was assembled from five components utilizing three orthogonal
interactions. Post-modification at the distal position generated the advanced six component …

Dynamics of the alkyne→ copper (i) interaction and its use in a heteroleptic four-component catalytic rotor

S Saha, S Kundu, PK Biswas, M Bolte… - Chemical …, 2022 - pubs.rsc.org
The HETPYNE (HETeroleptic Phenanthroline and alkYNE metal) and DABCO·(zinc
porphyrin) 2 interactions were used to assemble the four-component nanorotor ROT-1 that …

Using multiple self-sorting for switching functions in discrete multicomponent systems

A Ghosh, M Schmittel - Beilstein Journal of Organic Chemistry, 2020 - beilstein-journals.org
Over years self-sorting has developed into a powerful tool in supramolecular chemistry, for
instance, to promote the error-free formation of intricate multicomponent assemblies …

Switchable catalysis using allosteric effects

M Schmittel - Supramolecular Catalysis: New Directions and …, 2022 - Wiley Online Library
The present chapter is devoted to switchable catalysis of supramolecular multicomponent
systems by capitalizing on two less utilized allosteric effects. The first set of examples covers …