Template synthesis of molecular knots

JF Ayme, JE Beves, CJ Campbell… - Chemical Society Reviews, 2013 - pubs.rsc.org
This tutorial review outlines the different template strategies that chemists have employed to
synthesise knotted molecular topologies. Metal ion coordination, hydrogen bonding and …

Molecular knots

SDP Fielden, DA Leigh… - Angewandte Chemie …, 2017 - Wiley Online Library
The first synthetic molecular trefoil knot was prepared in the late 1980s. However, it is only in
the last few years that more complex small‐molecule knot topologies have been realized …

Active‐metal template synthesis of a molecular trefoil knot

PE Barran, HL Cole, SM Goldup… - Angewandte Chemie …, 2011 - Wiley Online Library
Although many different approaches to catenanes and rotaxanes have been introduced,[1]
few strategies have been successfully developed for the synthesis of molecular knots.[2] …

A molecular endless (74) knot

DA Leigh, JJ Danon, SDP Fielden, JF Lemonnier… - Nature Chemistry, 2021 - nature.com
Current strategies for the synthesis of molecular knots focus on twisting, folding and/or
threading molecular building blocks. Here we report that Zn (ii) or Fe (ii) ions can be used to …

Molecular composite knots

RF Carina, C Dietrich-Buchecker… - Journal of the American …, 1996 - ACS Publications
Molecular composite knots have been prepared from transition metal-assembled precursors
via a Glaser acetylenic coupling reaction. The templating metal is copper (I), and the …

A synthetic molecular pentafoil knot

JF Ayme, JE Beves, DA Leigh, RT McBurney… - Nature …, 2012 - nature.com
Knots are being discovered with increasing frequency in both biological and synthetic
macromolecules and have been fundamental topological targets for chemical synthesis for …

Coordination-driven self-assembly of a molecular figure-eight knot and other topologically complex architectures

LL Dang, ZB Sun, WL Shan, YJ Lin, ZH Li… - Nature …, 2019 - nature.com
Over the past decades, molecular knots and links have captivated the chemical community
due to their promising mimicry properties in molecular machines and biomolecules and are …

Self-sorting assembly of molecular trefoil knots of single handedness

J Zhong, L Zhang, DP August… - Journal of the …, 2019 - ACS Publications
We report on the stereoselective synthesis of trefoil knots of single topological handedness
in up to 90% yield (over two steps) through the formation of trimeric circular helicates from …

Molecular knots

C Dietrich-Buchecker, BX Colasson… - Templates in Chemistry II …, 2005 - Springer
Knots are fascinating non-trivial topological entities. They are not only present in art and
history but in many scientific fields as well, from mathematics to biology. By targeting this …

Stereoselective synthesis of a composite knot with nine crossings

L Zhang, AJ Stephens, AL Nussbaumer… - Nature Chemistry, 2018 - nature.com
The simultaneous synthesis of a molecular nine-crossing composite knot that contains three
trefoil tangles of the same handedness and a 9 7 3 link (a type of cyclic [3] catenane …