A trefoil knotted polymer produced through ring expansion

Angewandte Chemie
Peng-Fei CaoRigoberto Advincula

Abstract

A synthetic strategy is reported for the production of a trefoil knotted polymer from a copper(I)-templated helical knot precursor through ring expansion. The expected changes in the properties of the knotted polymer compared to a linear analogue, for example, reduced hydrodynamic radius and lower intrinsic viscosity, together with an atomic force microscopy (AFM) image of individual molecular knots, confirmed the formation of the resulting trefoil knotted polymer. The strategies employed here could be utilized to enrich the variety of available polymers with new architectures.

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Citations

Apr 8, 2015·Chemical Communications : Chem Comm·Ajaykumar BunhaRigoberto Advincula
Jul 23, 2016·Journal of the American Chemical Society·Yiming LiPingshan Wang
Jun 8, 2017·Chemical Communications : Chem Comm·Tun WuPingshan Wang
Nov 2, 2019·Chemistry : a European Journal·Kenji CapriceTatu Kumpulainen
Aug 5, 2018·Nature Communications·Mattia MarendaCristian Micheletti
May 10, 2017·Angewandte Chemie·Stephen D P FieldenSteffen L Woltering
Apr 30, 2019·Chemistry : a European Journal·Guo-Xin JinYue-Jian Lin
Nov 6, 2018·The Journal of Chemical Physics·Fernando Vargas-LaraJack F Douglas
Jan 5, 2018·ACS Applied Materials & Interfaces·Peng-Fei CaoTomonori Saito
Aug 8, 2019·Journal of the American Chemical Society·Jiankang ZhongDavid A Leigh

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