Specialized rules govern the aromaticity of polycyclic compounds
Specialized rules and models, such as extended Clar sextet theories and superatomic-molecule frameworks, govern the local aromaticity and electronic properties of polycyclic compounds.
The retrieved literature clearly demonstrates that specialized models and rules (such as Clar's rule variants, superatomic-molecule theories, and rules concerning multi-ring macrocycles or eight-membered rings) are developed and used to explain the aromaticity of polycyclic compounds.
Dan Li, Jinlong Yang, Longjiu Cheng. A unified superatomic-molecule theory for local aromaticity in π-conjugated systems. 2022. https://doi.org/10.1093/nsr/nwac216
Introduces a superatomic-molecule theory to explain local aromaticity and generalized electron rules for polycyclic conjugated systems.
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Longbin Ren, Yi Han, Xudong Hou, Y. Ni, Ya Zou, Tianyu Jiao, Jishan Wu. Aromaticity in Fully π-Conjugated Multicyclic Macrocycles.. 2023. https://doi.org/10.1021/jacs.3c03616
Investigates the complex aromatic and antiaromatic character in fully pi-conjugated multicyclic macrocycles.
M. Oda. Novel polycyclic conjugated compounds containing eight-membered ring: on the aromaticity of [4n]annuleno[4n]annulenes. 1986. https://doi.org/10.1351/pac198658010007
Examines specific aromaticity rules and ring counts in novel polycyclic conjugated compounds containing eight-membered rings.
Wang Y. Quantitative Resonance Theory Based on the Clar Sextet Model.. 2022. https://doi.org/10.1021/acs.jpca.1c08661
Develops a quantitative resonance theory based on the Clar sextet model to evaluate ring aromaticity and formulate extended rules for polycyclic aromatic hydrocarbons.
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