Multiple Stimuli-Responsive Conformational Exchanges of Biphen[3]arene Macrocycle

Conformational exchanges of synthetic macrocyclic acceptors are rather fast, which is rarely studied in the absence of guests. Here, we report multiple stimuli-responsive conformational exchanges between two preexisting conformations of 2,2′,4,4′-tetramethoxyl biphen[3]arene (MeBP3) macrocycle. Stru...

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Detalles Bibliográficos
Autores principales: Wang, Yiliang, Yang, Liu-Pan, Zhao, Xiang, Cui, Lei, Li, Jian, Jia, Xueshun, Fang, Jianhui, Li, Chunju
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Article
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7762528/
https://www.ncbi.nlm.nih.gov/pubmed/33302382
http://dx.doi.org/10.3390/molecules25245780
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author Wang, Yiliang
Yang, Liu-Pan
Zhao, Xiang
Cui, Lei
Li, Jian
Jia, Xueshun
Fang, Jianhui
Li, Chunju
author_facet Wang, Yiliang
Yang, Liu-Pan
Zhao, Xiang
Cui, Lei
Li, Jian
Jia, Xueshun
Fang, Jianhui
Li, Chunju
author_sort Wang, Yiliang
collection PubMed
description Conformational exchanges of synthetic macrocyclic acceptors are rather fast, which is rarely studied in the absence of guests. Here, we report multiple stimuli-responsive conformational exchanges between two preexisting conformations of 2,2′,4,4′-tetramethoxyl biphen[3]arene (MeBP3) macrocycle. Structures of these two conformations are both observed in solid state, and characterized by (1)H NMR, (13)C NMR and 2D NMR in solution. In particular, conformational exchanges can respond to solvents, temperatures, guest binding and acid/base addition. The current system may have a role to play in the construction of molecular switches and other stimuli-responsive systems.
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spelling pubmed-77625282020-12-26 Multiple Stimuli-Responsive Conformational Exchanges of Biphen[3]arene Macrocycle Wang, Yiliang Yang, Liu-Pan Zhao, Xiang Cui, Lei Li, Jian Jia, Xueshun Fang, Jianhui Li, Chunju Molecules Article Conformational exchanges of synthetic macrocyclic acceptors are rather fast, which is rarely studied in the absence of guests. Here, we report multiple stimuli-responsive conformational exchanges between two preexisting conformations of 2,2′,4,4′-tetramethoxyl biphen[3]arene (MeBP3) macrocycle. Structures of these two conformations are both observed in solid state, and characterized by (1)H NMR, (13)C NMR and 2D NMR in solution. In particular, conformational exchanges can respond to solvents, temperatures, guest binding and acid/base addition. The current system may have a role to play in the construction of molecular switches and other stimuli-responsive systems. MDPI 2020-12-08 /pmc/articles/PMC7762528/ /pubmed/33302382 http://dx.doi.org/10.3390/molecules25245780 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Wang, Yiliang
Yang, Liu-Pan
Zhao, Xiang
Cui, Lei
Li, Jian
Jia, Xueshun
Fang, Jianhui
Li, Chunju
Multiple Stimuli-Responsive Conformational Exchanges of Biphen[3]arene Macrocycle
title Multiple Stimuli-Responsive Conformational Exchanges of Biphen[3]arene Macrocycle
title_full Multiple Stimuli-Responsive Conformational Exchanges of Biphen[3]arene Macrocycle
title_fullStr Multiple Stimuli-Responsive Conformational Exchanges of Biphen[3]arene Macrocycle
title_full_unstemmed Multiple Stimuli-Responsive Conformational Exchanges of Biphen[3]arene Macrocycle
title_short Multiple Stimuli-Responsive Conformational Exchanges of Biphen[3]arene Macrocycle
title_sort multiple stimuli-responsive conformational exchanges of biphen[3]arene macrocycle
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7762528/
https://www.ncbi.nlm.nih.gov/pubmed/33302382
http://dx.doi.org/10.3390/molecules25245780
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