Results 41 to 50 of about 1,579 (190)
The symmetry principle of antiaromaticity [PDF]
Zeitschrift für Naturforschung B, 2020 Abstract Current definitions of aromaticity are purely phenomenological and relate symmetry, reactive stability and the occurrence of molecular diamagnetic response currents. The antithetical concept of antiaromaticity provides a connection between the contrary properties: structural instability or distortion out of higher symmetry, a ...
Berger, Raphael J. F., Viel, Alexandre
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Molecules in a Hurry to Get Rid of Antiaromaticity
, 2021 When light strikes an aromatic molecule, the electrons rearrange, and the compound can gain antiaromatic character, becoming especially reactive.
Karas, Lucas Jose
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Cyclo[48]carbon—Evaluation of Its Inherent Magnetic Behavior and Anisotropy from DFT Calculations
ChemistryCyclo[48]carbon (C48) exhibits an aesthetically pleasant structure featuring a cyclic polyyne, and it serves as a prototypical medium-sized ring that moves us towards an understanding of its overall magnetic behavior in a challenging molecular shape ...
Peter L. Rodríguez-Kessler +1 more
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Evaluation of the Aromaticity of a Non-Planar Carbon Nano-Structure by Nucleus-Independent Chemical Shift Criterion: Aromaticity of the Nitrogen- Doped Corannulene [PDF]
Journal of Nanostructures, 2014 Substitution of two or four carbon atoms by nitrogen in the corannulene molecule as a carbon nanostructure was done and the obtained structures were optimized at MP2/6-31G(d) level of theory.
A. Reisi-Vanani, L. Alihoseini
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Nature Communications, 2023 Phototriggered click and clip reactions can endow chemical processes with high spatiotemporal resolution and sustainability, but are challenging with a limited scope.
Hanwei Lu +5 more
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Antiaromaticity in molecular assemblies and materials. [PDF]
Chem SciAntiaromatic rings can be assembled into discrete or polymeric assemblies to explore emerging properties. This perspective compares antiaromatic rings as potential building blocks and covers reported antiaromatic ring assemblies.
Lavendomme R, Yamashina M.
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Releasing Antiaromaticity in Metal-Bridgehead Naphthalene
, 2021 As a fundamental chemical property, aromaticity guides the synthesis of novel structures and materials. Replacing the carbon moieties of aromatic hydrocarbons with transition metal fragments is a promising strategy to synthesize intriguing organometallic
Yu Zhao (104852) +7 more
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Recent Advances in Antiaromatic Metallacycles Through Computational Chemistry Methods
ChemistryIn recent years, antiaromatic compounds have gained significant attention in optoelectronic materials, catalytic synthesis, and biomedicine due to their unique electronic structures and properties, emerging as a research frontier in organic chemistry ...
Lvming Zhu, Yarong Wang, Yang Li
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Aromaticity and Antiaromaticity in Transition-Metal Systems [PDF]
, 2020 Aromaticity is an important concept in chemistry primarily for organic compounds, but it has been extended to compounds containing transition-metal atoms.
Dmitry Yu Zubarev +4 more
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Angewandte Chemie International Edition, EarlyView.Pd‐catalyzed C–H arylation of polycyclic aromatic hydrocarbons (PAHs) with various aryltrimethylsilanes enables the preparation of structurally complicated arylated PAHs, which can be further transformed to nanographenes in a manner of two‐step annulative π‐extension (APEX) reaction.
Honami Katsuragawa +5 more
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