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Stable π Radical from a Contracted Doubly N‐Confused Hexaphyrin by Double Palladium Metalation
Author(s) -
Hisamune Yutaka,
Nishimura Keiichi,
Isakari Koji,
Ishida Masatoshi,
Mori Shigeki,
Karasawa Satoru,
Kato Tatsuhisa,
Lee Sangsu,
Kim Dongho,
Furuta Hiroyuki
Publication year - 2015
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.201502285
Subject(s) - metalation , palladium , delocalized electron , chemistry , unpaired electron , derivative (finance) , ligand (biochemistry) , metal , chelation , photochemistry , medicinal chemistry , polymer chemistry , inorganic chemistry , organic chemistry , molecule , catalysis , receptor , biochemistry , financial economics , economics
A contracted doubly N‐confused dioxohexaphyrin derivative served as a dinucleating metal ligand for unsymmetrical coordination. The complexation of two palladium(II) cations led to the formation of π‐radical species that were persistent in atmospheric air in the presence of moisture. Effective delocalization of an unpaired electron over the hexaphyrin backbone could contribute to the distinct chemical stability.