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Reversible Transition between a [4]Radialene and a Cyclobutadiene by Electron Transfer
Author(s) -
Horner Michael,
Hünig Siegfried
Publication year - 1977
Publication title -
angewandte chemie international edition in english
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 0570-0833
DOI - 10.1002/anie.197704101
Subject(s) - cyclobutadiene , antiaromaticity , character (mathematics) , electron , electron transfer , component (thermodynamics) , chemistry , chemical physics , photochemistry , physics , organic chemistry , thermodynamics , quantum mechanics , mathematics , molecule , geometry , aromaticity
Estimates of the antiaromatic character of a cyclobutadiene from reversible potentials have now been accomplished for the first time for (1) . (1) is a component of one of the few π‐systems that can exist in five oxidation states connected by four reversible one‐electron transfers.