4.7 Article

A strongly Lewis-acidic and fluorescent borenium cation supported by a tridentate formazanate ligand

Journal

CHEMICAL COMMUNICATIONS
Volume 57, Issue 75, Pages 9530-9533

Publisher

ROYAL SOC CHEMISTRY
DOI: 10.1039/d1cc03873g

Keywords

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Funding

  1. Natural Sciences and Engineering Research Council (NSERC) of Canada [RGPIN-2020-06420, RGPIN-2018-04240]
  2. Ontario Ministry of Research and Innovation [ER-14-10-147]
  3. Canadian Foundation for Innovation [33977]
  4. University of Western Ontario
  5. Natural Sciences and Engineering Research Council (NSERC) of Canada (CGS-M Scholarship)
  6. Natural Sciences and Engineering Research Council (NSERC) of Canada (CGS-D Scholarships)

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Lewis acids are highly desirable for various applications, and when combined with pi-conjugated molecular frameworks, they can exhibit unique optoelectronic properties. In this study, a tridentate formazanate ligand was used to create a planar, redox-active, fluorescent, and strongly Lewis-acidic borenium cation, which was demonstrated to function as a colorimetric probe for reactivity.
Lewis acids are highly sought after for their applications in sensing, small-molecule activation, and catalysis. When combined with pi-conjugated molecular frameworks, Lewis acids with unique optoelectronic properties can be realized. Here, we use a tridentate formazanate ligand to create a planar, redox-active, fluorescent, and strongly Lewis-acidic borenium cation. We also demonstrate that this compound can act as a colourimetric probe for reactivity.

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