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Vinylene-Bridged Cyclic Dipyrrin and BODIPY Trimers

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dc.contributor.author Xue, Songlin en
dc.contributor.author Kuzuhara, Daiki en
dc.contributor.author Aratani, Naoki en
dc.contributor.author Yamada, Hiroko en
dc.date.accessioned 2021-05-26T00:41:08Z en
dc.date.available 2021-05-26T00:41:08Z en
dc.date.issued 2020-10-28 en
dc.identifier.uri http://hdl.handle.net/10061/14270 en
dc.description.abstract Vinylene-bridged cyclic boron–difluoride complex of dipyrrin (BODIPY) trimers were successfully prepared from expanded dimethyl-vinylene bridged hexaphyrin( Me-Hex that has the structure of alternate dipyrrins and vinylene bridges. The hexaphyrin( Me-Hex can coordinate with boron ions to afford five kinds of cyclic BODIPYs given by step-by-step boron complexations. Crystal structures of all cyclic BODIPYs except for 3BF2-Me-Hex(b) formed non-planar structures. The theoretical calculation predicted that mono-/bis-boron cyclic BODIPYs show the intramolecular charge transfer (ICT) characteristics, whereas tri-boron cyclic BODIPYs have no ICT characteristics. Reflecting these electronic properties, tri-boron cyclic BODIPYs exhibit weak fluorescence in the red region, but mono-/bis-boron cyclic BODIPYs exhibit no emission. Vinylene bridged cyclic dipyrrin trimer Me-Hex is the novel porphyrinoid ligand allowed to control the boron coordination under different reaction conditions to form various boron complexes. ja
dc.language.iso en en
dc.publisher MDPI en
dc.relation.isreplacedby https://www.mdpi.com/1422-0067/21/21/8041 en
dc.rights © 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/). ja
dc.subject expanded porphyrin en
dc.subject boron complex; en
dc.subject molecular configuration en
dc.title Vinylene-Bridged Cyclic Dipyrrin and BODIPY Trimers en
dc.type.nii Journal Article en
dc.contributor.transcription アラタニ, ナオキ ja
dc.contributor.transcription ヤマダ, ヒロコ ja
dc.contributor.alternative 荒谷, 直樹 ja
dc.contributor.alternative 山田, 容子 ja
dc.textversion none en
dc.identifier.eissn 1422-0067 en
dc.identifier.jtitle International Journal of Molecular Sciences en
dc.identifier.volume 21 en
dc.identifier.issue 21 en
dc.identifier.spage 8041 en
dc.relation.doi 10.3390/ijms21218041 en
dc.identifier.NAIST-ID 73299042 en
dc.identifier.NAIST-ID 73293565 en
dc.relation.pmid 33126711 en

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