Articles with "fluorenone" as a keyword



Newly assigned microwave transitions and a global analysis of the combined microwave/millimeter wave rotational spectra of 9-fluorenone and benzophenone

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Published in 2017 at "Journal of Molecular Spectroscopy"

DOI: 10.1016/j.jms.2016.12.002

Abstract: Abstract Microwave spectra of 9-fluorenone and benzophenone have been observed using a broadband chirped-pulse Fourier Transform Microwave (cp-FTMW) Spectrometer. An analysis of the microwave spectra allowed for the assignment of 178 b -type rotational transitions… read more here.

Keywords: analysis; spectra fluorenone; millimeter wave; fluorenone ... See more keywords
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One-Pot Synthesis of π-Extended Fluorenone-Fused Subphthalocyanines.

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Published in 2019 at "Organic letters"

DOI: 10.1021/acs.orglett.9b00944

Abstract: A family of inherently chiral nonplanar aromatic chromophores, comprising Subphthalocyanines bearing fluorenone-fused units (SubFcs), have been prepared by an innovative one-pot synthesis, which relies on the standard cross-cyclotrimerization of phthalonitriles followed by intramolecular Friedel-Crafts acylation.… read more here.

Keywords: fluorenone; pot synthesis; fluorenone fused; one pot ... See more keywords
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A simple D–π–A system of phenanthroimidazole-π-fluorenone for highly efficient non-doped bipolar AIE luminogens: synthesis, and molecular optical, thermal and electrochemical properties

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Published in 2020 at "New Journal of Chemistry"

DOI: 10.1039/c9nj05226g

Abstract: A series of hybrid organic bipolar fluorescent aggregation-induced emission (AIE) luminogens have been synthesized with D–π–A architecture using phenanthroimidazole as a conjugate by incorporating a fluorenone moiety at the C2 position of a rigid skeleton… read more here.

Keywords: system phenanthroimidazole; aie luminogens; simple system; fluorenone ... See more keywords
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Synthesis of Spirofluorenyl-1,2,4-oxadiazinan-5-ones through Metal-Free [3+3] Cycloaddition of N-Vinyl Fluorenone Nitrones with Aza-oxyallyl Cations

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Published in 2019 at "Synthesis"

DOI: 10.1055/s-0039-1691490

Abstract: Spirofluorenyl-1,2,4-oxadiazinan-5-ones are prepared in good to excellent yields through metal-free [3+3] cycloaddition of N-vinyl fluorenone nitrones and aza-oxyallyl cations under mild reaction conditions. Detailed studies reveal that N-vinyl fluorenone nitrones show greater reactivity in [3+3]… read more here.

Keywords: spirofluorenyl oxadiazinan; vinyl fluorenone; fluorenone nitrones; fluorenone ... See more keywords