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Reversible σ‐Dimerizations of Persistent Organic Radical Cations
Author(s) -
Chen Xiaoyu,
Wang Xingyong,
Zhou Zhaoyi,
Li Yizhi,
Sui Yunxia,
Ma Jing,
Wang Xinping,
Power Philip P.
Publication year - 2013
Publication title -
angewandte chemie international edition
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 5.831
H-Index - 550
eISSN - 1521-3773
pISSN - 1433-7851
DOI - 10.1002/anie.201207412
Subject(s) - dication , chemistry , photochemistry , monomer , radical ion , polymer chemistry , organic chemistry , molecule , polymer , ion
A class of well‐defined reversible σ‐dimerizations of 9,10‐dialkoxyanthracene radical cations are presented. Yellow crystals of the σ‐dimerized dication dissociate to purple solutions of monomeric radical cations in solution (see scheme). The identity and stability of radical cations were unequivocally confirmed, providing evidence for reversible σ‐dimerizations of persistent radical cations of aromatic systems.