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- W2952335488 abstract "Fluorenylidene dications, such as the dications of p- and m- substituted diphenylmethylidenefluorenes, show appreciable antiaromaticity. Evidence of antiaromaticity is demonstrated through 1H NMR shifts, nucleus independent chemical shifts (NICS), magnetic susceptibility exaltation, Λ, and (anti)aromatic (de)stabilization energies, ASE. Extension of the research to indenylidenefluorene dications shows that, contrary to expectation, the indenyl cation in these dications is less antiaromatic than the fluorenyl cation. The magnitude of the antiaromaticity is evaluated through comparison to the aromaticity of related dianions and reveals that the fluorenylidene dications are more antiaromatic than the fluorenylidene dianions are aromatic." @default.
- W2952335488 created "2019-06-27" @default.
- W2952335488 creator A5051037890 @default.
- W2952335488 date "2007-07-07" @default.
- W2952335488 modified "2023-09-26" @default.
- W2952335488 title "Fluorenylidene and Indenylidene Dications: Insights about Antiaromaticity" @default.
- W2952335488 doi "https://doi.org/10.1021/bk-2007-0965.ch011" @default.
- W2952335488 hasPublicationYear "2007" @default.
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