Structure and Aromaticity of Monocyclic Conjugated Polyenes
نویسندگان
چکیده
منابع مشابه
Genealogy of Conjugated Acyclic Polyenes.
Based on the total π-electron energies Eπs of Hückel Molecular Orbital (HMO) method for all the possible isomers of conjugated acyclic polyenes (C₂nH₂n+2) up to n = 7, the structure-stability relation of the possible isomers was analyzed. It was shown that the mean length of conjugation L can roughly predict the ordering of stability among isomers, while the Z-index, or Hosoya-index, can almost...
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Compound 1 reacts with compounds of the transition metals Fe, Ni, Rh, Mn, Cr, or M o to form dark brown to black solids, whose insolubility and relative nonvolatility make their characterization difficult. However, black “FePlo,” formed immediately upon reaction with FeCI, in T H F at room temperature exhibits-like 1 -an IR band at 8 15 cm I, which is evidence for an intact aromatic Ps ring as ...
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ژورنال
عنوان ژورنال: Daxue huaxue
سال: 2021
ISSN: ['1000-8438']
DOI: https://doi.org/10.3866/pku.dxhx202108007