Literature DB >> 24007405

Fluorescence control of boron enaminoketonate using a rotaxane shuttle.

Yasuhito Koyama1, Tohru Matsumura, Tatsuto Yui, Osamu Ishitani, Toshikazu Takata.   

Abstract

The effect of rotaxane shuttling on the fluorescence properties of a fluorophore was investigated by exploiting fluorophore-tethered [2]rotaxanes. A fluorescent boron enaminoketonate (BEK) moiety was introduced in a rotaxane via transformation of an isoxazole unit generated as a result of an end-capping reaction using a nitrile N-oxide. The rotaxane exhibited a red shift of the fluorescence maximum along with a remarkable enhancement of the fluorescence quantum yield through wheel translation to the fluorophore.

Entities:  

Year:  2013        PMID： 24007405     DOI： 10.1021/ol401984j

Source DB:  PubMed          Journal:  Org Lett        ISSN： 1523-7052            Impact factor:   6.005


  4 in total

1.  Synthesis of new fluorescent molecules having an aggregation-induced emission property derived from 4-fluoroisoxazoles.

Authors:  Kazuyuki Sato; Akira Kawasaki; Yukiko Karuo; Atsushi Tarui; Kentaro Kawai; Masaaki Omote
Journal:  Beilstein J Org Chem       Date:  2020-06-22       Impact factor: 2.883

2.  Fluorescent Probes from Aromatic Polycyclic Nitrile Oxides: Isoxazoles versus Dihydro-1λ3,3,2λ4-Oxazaborinines.

Authors:  Mattia Moiola; Antonio Bova; Stefano Crespi; Misal G Memeo; Mariella Mella; Herman S Overkleeft; Bogdan I Florea; Paolo Quadrelli
Journal:  ChemistryOpen       Date:  2019-06-13       Impact factor: 2.911

3.  Bolaamphiphilic properties and pH-dependent micellization of quercetin polyglycoside.

Authors:  Mahmuda Nargis; Abu Bin Ihsan; Yasuhito Koyama
Journal:  RSC Adv       Date:  2019-10-21       Impact factor: 4.036

Review 4.  A Focus on Triazolium as a Multipurpose Molecular Station for pH-Sensitive Interlocked Crown-Ether-Based Molecular Machines.

Authors:  Frédéric Coutrot
Journal:  ChemistryOpen       Date:  2015-06-05       Impact factor: 2.911
  4 in total

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