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Article: Rational Design of Multi-Stimuli-Responsive Scaffolds: Synthesis of Luminescent Oligo(ethynylpyridine)-Containing Alkynylplatinum(II) Polypyridine Foldamers Stabilized by Pt···Pt Interactions

TitleRational Design of Multi-Stimuli-Responsive Scaffolds: Synthesis of Luminescent Oligo(ethynylpyridine)-Containing Alkynylplatinum(II) Polypyridine Foldamers Stabilized by Pt···Pt Interactions
Authors
Issue Date2019
PublisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.html
Citation
Journal of the American Chemical Society, 2019, v. 141, p. 12312−12321 How to Cite?
AbstractA series of oligo(ethynylpyridine)-containing alkynylplatinum(II) terpyridine/bzimpy (bzimpy = 2,6-bis(N-alkylbenzimidazol-2′-yl)pyridine) metallofoldamers has been designed and synthesized to investigate the potential applications of metallofoldamers imparted by the rich spectroscopic responses of Pt···Pt interactions. Apart from the control of the folding/unfolding processes by solvent compositions and temperatures, this class of metallofoldamers has also been found to exhibit reversible folding/unfolding behaviors mediated by the addition of acids/bases due to the incorporation of the acid-sensitive oligo(ethynylpyridine) derivatives. More importantly, the intramolecular Pt···Pt interaction has been found to play a crucial role in governing the folded state conformation. The conformation of this class of metallofoldamers has been investigated by 2D ROESY NMR, electronic absorption, and emission spectroscopy, which provide further insights into the rational molecular design and multidimensional control of metallofoldamers upon the application of various external stimuli, leading to the preparation of multi-stimuli-responsive materials for potential applications in material sciences. © 2019 American Chemical Society.
Persistent Identifierhttp://hdl.handle.net/10722/274823
ISSN
2020 Impact Factor: 15.419
2015 SCImago Journal Rankings: 7.123
ISI Accession Number ID

 

DC FieldValueLanguage
dc.contributor.authorChan, HY-
dc.contributor.authorLeung, YL-
dc.contributor.authorYam, VWW-
dc.date.accessioned2019-09-10T02:29:32Z-
dc.date.available2019-09-10T02:29:32Z-
dc.date.issued2019-
dc.identifier.citationJournal of the American Chemical Society, 2019, v. 141, p. 12312−12321-
dc.identifier.issn0002-7863-
dc.identifier.urihttp://hdl.handle.net/10722/274823-
dc.description.abstractA series of oligo(ethynylpyridine)-containing alkynylplatinum(II) terpyridine/bzimpy (bzimpy = 2,6-bis(N-alkylbenzimidazol-2′-yl)pyridine) metallofoldamers has been designed and synthesized to investigate the potential applications of metallofoldamers imparted by the rich spectroscopic responses of Pt···Pt interactions. Apart from the control of the folding/unfolding processes by solvent compositions and temperatures, this class of metallofoldamers has also been found to exhibit reversible folding/unfolding behaviors mediated by the addition of acids/bases due to the incorporation of the acid-sensitive oligo(ethynylpyridine) derivatives. More importantly, the intramolecular Pt···Pt interaction has been found to play a crucial role in governing the folded state conformation. The conformation of this class of metallofoldamers has been investigated by 2D ROESY NMR, electronic absorption, and emission spectroscopy, which provide further insights into the rational molecular design and multidimensional control of metallofoldamers upon the application of various external stimuli, leading to the preparation of multi-stimuli-responsive materials for potential applications in material sciences. © 2019 American Chemical Society.-
dc.languageeng-
dc.publisherAmerican Chemical Society. The Journal's web site is located at http://pubs.acs.org/journals/jacsat/index.html-
dc.relation.ispartofJournal of the American Chemical Society-
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in [JournalTitle], copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see [insert ACS Articles on Request author-directed link to Published Work, see http://pubs.acs.org/page/policy/articlesonrequest/index.html].-
dc.titleRational Design of Multi-Stimuli-Responsive Scaffolds: Synthesis of Luminescent Oligo(ethynylpyridine)-Containing Alkynylplatinum(II) Polypyridine Foldamers Stabilized by Pt···Pt Interactions-
dc.typeArticle-
dc.identifier.emailChan, HY: mchanhy@hku.hk-
dc.identifier.emailLeung, YL: sam727@hku.hk-
dc.identifier.emailYam, VWW: wwyam@hku.hk-
dc.identifier.authorityYam, VWW=rp00822-
dc.description.naturelink_to_subscribed_fulltext-
dc.identifier.doi10.1021/jacs.9b04447-
dc.identifier.pmid31339312-
dc.identifier.scopuseid_2-s2.0-85070536686-
dc.identifier.hkuros302808-
dc.identifier.volume141-
dc.identifier.spage12312−12321-
dc.identifier.epage12312−12321-
dc.identifier.isiWOS:000480497100023-
dc.publisher.placeUnited States-
dc.identifier.issnl0002-7863-

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