Controlling catalyst activity, chemoselectivity and stereoselectivity with the mechanical bond

AW Heard, JM Suárez, SM Goldup - Nature Reviews Chemistry, 2022 - nature.com
Mechanically interlocked molecules, such as rotaxanes and catenanes, are receiving
increased attention as scaffolds for the development of new catalysts, driven by both their …

Direct synthetic routes to functionalised crown ethers

F Nicoli, M Baroncini, S Silvi, J Groppi… - Organic Chemistry …, 2021 - pubs.rsc.org
Crown ethers are macrocyclic hosts that can complex a wide range of inorganic and organic
cations as well as neutral guest species. Their widespread utilization in several areas of …

Compact rotaxane superbases

MJ Power, DTJ Morris… - Journal of the …, 2023 - ACS Publications
Challenges for the development of efficacious new superbases include their ease of
synthesis, chemical stability, and high basicity, while minimizing nucleophilicity is important …

Artificial molecular pump operating in response to electricity and light

QH Guo, Y Qiu, X Kuang, J Liang, Y Feng… - Journal of the …, 2020 - ACS Publications
The ability to control the relative motions of component parts in molecules is essential for the
development of molecular nanotechnology. The advent of mechanically interlocked …

Visualization and manipulation of molecular motion in the solid state through photoinduced clusteroluminescence

H Zhang, L Du, L Wang, J Liu, Q Wan… - The journal of …, 2019 - ACS Publications
The development of molecular machines has long been a dream of scientists and is
expected to revolutionize many aspects of technology and medicine. As the prerequisite of a …

Binary logic operations with artificial molecular machines

F Nicoli, E Paltrinieri, MT Bakić, M Baroncini… - Coordination chemistry …, 2021 - Elsevier
Living systems rely on ions and molecules for gathering, elaborating and storing information,
as well as for controlling motion across different length scales. Artificial mimics of such …

Anion–π catalysis enabled by the mechanical bond

JRJ Maynard, B Galmés, AD Stergiou… - Angewandte Chemie …, 2022 - Wiley Online Library
We report a series of rotaxane‐based anion–π catalysts in which the mechanical bond
between a bipyridine macrocycle and an axle containing an NDI unit is intrinsic to the activity …

Precision molecular threading/dethreading

J Groppi, L Casimiro, M Canton, S Corra… - Angewandte …, 2020 - Wiley Online Library
The general principles guiding the design of molecular machines based on interlocked
structures are well known. Nonetheless, the identification of suitable molecular components …

Photoinduced Autonomous Nonequilibrium Operation of a Molecular Shuttle by Combined Isomerization and Proton Transfer Through a Catalytic Pathway

F Nicoli, M Curcio, M Tranfić Bakić… - Journal of the …, 2022 - ACS Publications
We describe a [2] rotaxane whose recognition sites for the ring are a dibenzylammonium
moiety, endowed with acidic and H-bonding donor properties, and an imidazolium center …

Control over Dethreading Kinetics Allows Evaluating the Entropy Stored in an Interlocked Molecular Machine Out‐of‐Equilibrium

S Di Noja, M Garrido, L Gualandi… - … –A European Journal, 2023 - Wiley Online Library
The operation of nanomachines is fundamentally different from that of their macroscopic
counterparts. In particular, the role of solvent is critical yet rarely associated with machine …