Single-Acetylene Linked Porphyrin Nanorings

Journal of the American Chemical Society
Michel RickhausHarry L Anderson

Abstract

The synthesis of ethyne-linked porphyrin nanorings has been achieved by template-directed Sonogashira coupling. The cyclic hexamer and octamer are predicted by density functional theory to adopt low symmetry conformations, due to dihedral twists between neighboring porphyrin units, but their symmetries are effectively D6h and D8h, respectively, in solution by 1H NMR. The fluorescence spectra indicate that the singlet excited states of these nanorings are highly delocalized.

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Citations

May 2, 2018·Organic & Biomolecular Chemistry·Martin J SmithHarry L Anderson
Jul 15, 2018·Angewandte Chemie·Marcin A Majewski, Marcin Stępień
May 28, 2019·Physical Chemistry Chemical Physics : PCCP·Nino WiliGunnar Jeschke
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May 24, 2019·Chemical Communications : Chem Comm·Yusuke ChibaJun Terao
Jan 22, 2020·Nature Chemistry·Michel RickhausHarry L Anderson
Dec 2, 2020·Physical Review Letters·Chris J JuddAlex Saywell
Jun 20, 2020·Angewandte Chemie·Jiratheep PruchyathamkornHarry L Anderson
Mar 30, 2021·Chemistry : a European Journal·Saber MirzaeiRaúl Hernández Sánchez
Jun 11, 2021·Nanoscale·Luke J O'Driscoll, Martin R Bryce
Jul 15, 2021·Angewandte Chemie·Irene Casademont-ReigEduard Matito
Nov 12, 2019·Journal of the American Chemical Society·Youzhi XuMax von Delius
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