Articles with "fused polycyclic" as a keyword



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Orbital Symmetry Engineering in Fused Polycyclic Heteroaromatics toward Extremely Narrowband Green Emissions with an FWHM of 13 nm

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Published in 2023 at "Advanced Materials"

DOI: 10.1002/adma.202211316

Abstract: Multiresonance (MR) molecules generally face spectral broadening issues with redshifted emissions. Thus, green emitters with full widths at half maximum (FWHMs) of 95%, which represent not only the smallest FWHMs among all green MR emitters… read more here.

Keywords: engineering fused; green emitters; symmetry engineering; fused polycyclic ... See more keywords
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Rh(III)-Catalyzed C-H Annulation of Alkenyl- or Arylimidazoles and (Hetero)cyclic 1,3-Dicarbonyl Compounds: A Rapid Access to Imidazo-Fused Polycyclic Compounds.

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Published in 2022 at "Organic letters"

DOI: 10.1021/acs.orglett.2c01315

Abstract: A novel strategy for the synthesis of imidazo-fused polycyclic compounds under mild, base-free, and silver-free conditions by a rhodium(III)-catalyzed C-H annulation of alkenyl or arylimidazoles and (hetero)cyclic 1,3-dicarbonyl compounds is reported here. Such a step-economic… read more here.

Keywords: catalyzed annulation; polycyclic compounds; annulation alkenyl; fused polycyclic ... See more keywords
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Gold-catalyzed ring-expansion through acyl migration to afford furan-fused polycyclic compounds.

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Published in 2017 at "Chemical communications"

DOI: 10.1039/c7cc00218a

Abstract: A gold-catalyzed ring-expansion reaction of alkynones to access furan-fused polycyclic compounds is reported. Mechanistic studies revealed that the reaction might occur through a tandem 1,2-acyl migration/Friedel-Crafts reaction. read more here.

Keywords: ring expansion; furan fused; polycyclic compounds; fused polycyclic ... See more keywords
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Selectivity-switchable construction of benzo-fused polycyclic compounds through a gold-catalyzed reaction of enyne-lactone.

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Published in 2018 at "Chemical communications"

DOI: 10.1039/c7cc09786g

Abstract: A gold-catalyzed selectivity-switchable reaction of enyne-lactone is reported. Different products, including naphthalenes and benzo-fused polycyclic compounds, can be selectively obtained from the same starting material. The choice of the gold complex is the key for… read more here.

Keywords: reaction enyne; benzo fused; selectivity switchable; gold catalyzed ... See more keywords
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Comprehending radicals, diradicals and their bondings in aggregates of imide-fused polycyclic aromatic hydrocarbons

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Published in 2022 at "Chemical Science"

DOI: 10.1039/d2sc02906e

Abstract: Quantum effects such as ferromagnetism were regarded as rare in organic materials. When reduced to radical states, imide-fused polycyclic aromatic hydrocarbons (IPAHs) have shown room-temperature ferromagnetism in our recent work, to be a potential candidate… read more here.

Keywords: radicals diradicals; imide fused; aromatic hydrocarbons; comprehending radicals ... See more keywords
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Fused polycyclic lactam-based π-conjugated polymers for efficient nonfullerene organic solar cells

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Published in 2023 at "Journal of Materials Chemistry A"

DOI: 10.1039/d3ta01127e

Abstract: The development of high-performance wide-bandgap polymers has attracted significant attention in recent non-fullerene organic solar cells (NF-OSCs) research, as the expansion of the options of polymer donors that are appropriately... read more here.

Keywords: organic solar; solar cells; lactam based; polycyclic lactam ... See more keywords
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Brønsted acid–catalyzed asymmetric dearomatization for synthesis of chiral fused polycyclic enone and indoline scaffolds

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Published in 2023 at "Science Advances"

DOI: 10.1126/sciadv.adg4648

Abstract: In the past two decades, substantial advances have been made on the asymmetric alkyne functionalization by the activation of inert alkynes. However, these asymmetric transformations have so far been mostly limited to transition metal catalysis,… read more here.

Keywords: dearomatization; catalyzed asymmetric; nsted acid; chiral ... See more keywords
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Furan-Containing Chiral Spiro-Fused Polycyclic Aromatic Compounds: Synthesis and Photophysical Properties

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Published in 2022 at "Molecules"

DOI: 10.3390/molecules27165103

Abstract: Spiro-fused polycyclic aromatic compounds (PACs) have received growing interest as rigid chiral scaffolds. However, furan-containing spiro-fused PACs have been quite limited. Here, we design spiro[indeno[1,2-b][1]benzofuran-10,10′-indeno[1,2-b][1]benzothiophene] as a new family of spiro-fused PACs that contains a… read more here.

Keywords: containing chiral; furan containing; spiro fused; fused polycyclic ... See more keywords