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π-π Molecular Complexes of Nitrones with Tetracyanoethylene and 1, 4-Benzoquinones

✍ Scribed by Ahmed M. Nour-el-Din; Aboul-Fetouh E. Mourad

Publisher
Wiley (John Wiley & Sons)
Year
2010
Weight
306 KB
Volume
91
Category
Article
ISSN
0037-9646

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✦ Synopsis

Abstract

Charge‐transfer molecular complexes between some nitrones with different substituents and tetracyanoethylene, 2, 3‐dichloro‐5, 6‐dicyanobenzoquinone and chloranil have been studied in methylene chloride solution at 25° C. The maximum absorption wavelengths, stoichiometry, apparent formation constants and transition energies confirm the formation of the π ‐ π molecular complexes. The effect of solvent, the formation and stability of these complexes have been discussed.

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In dieser Zuschrift vergaßen die Autoren versehentlich eine Danksagung. Diese lautet: "We thank D. K. Kim for providing the crystal of the charge-transfer complex o-chloranil/ tetra-n-propylammonium bromide in Table 1 as well as spectral data relating to the ochloranil acceptor in Figure 1. We are a