2020
DOI: 10.3390/molecules25112645
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Recent Advances in π-Conjugated N^C-Chelate Organoboron Materials

Abstract: Boron-containing π-conjugated materials are archetypical candidates for a variety of molecular scale applications. The incorporation of boron into the π-conjugated frameworks significantly modifies the nature of the parent π-conjugated systems. Several novel boron-bridged π-conjugated materials with intriguing structural, photo-physical and electrochemical properties have been reported over the last few years. In this paper, we review the properties and multi-dimensional applications of the boron-bridged fused… Show more

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Cited by 30 publications
(17 citation statements)
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References 93 publications
(113 reference statements)
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“…The yields of product were almost unaffected in the presence of electron-withdrawing substituents ( 3f – h , 3n – o ), including halogen substituents (Cl, Br, and I), which could offer opportunities for downstream structure modification. The dialkynyl N,C π-conjugated tetracoordinate boron compounds were also examined due to their important properties and potential applications in the area of optoelectronics . Under the standard conditions, the corresponding desymmetric monocycloaddition products were obtained in comparable yields with moderate enantioselectivities ( 3i , j , p ).…”
Section: Resultsmentioning
confidence: 99%
“…The yields of product were almost unaffected in the presence of electron-withdrawing substituents ( 3f – h , 3n – o ), including halogen substituents (Cl, Br, and I), which could offer opportunities for downstream structure modification. The dialkynyl N,C π-conjugated tetracoordinate boron compounds were also examined due to their important properties and potential applications in the area of optoelectronics . Under the standard conditions, the corresponding desymmetric monocycloaddition products were obtained in comparable yields with moderate enantioselectivities ( 3i , j , p ).…”
Section: Resultsmentioning
confidence: 99%
“…A related but distinct approach that has recently gained attention is to tailor the electronic properties of conjugated organic π systems by installing intramolecular B←N Lewis pairs in their periphery [3g, 5] . Intramolecular B←N Lewis pairs can rigidify and planarize conjugated systems consisting of multiple aromatic rings, which leads to redshifted absorptions and emissions that are intensified due to diminished non‐radiative decay from excited states [6] .…”
Section: Introductionmentioning
confidence: 99%
“…Organoboron chemistry provides new tools to design π-conjugated molecules and polymers. Jäkle’s, Chujo’s, Pammer’s, Huang’s groups, and our group have made great progress on organoboron A-type building blocks for conjugated polymers. The resulting polymers have been successfully used in OLEDs, OFETs, and OSCs. , Herein, we report a new A-type building block for conjugated polymers, namely, N–B←N bridged bithiophene (BNTzT).…”
Section: Introductionmentioning
confidence: 99%