Spectroscopic studies on copper(II) complexes of chiral cyclens: [CuN4Cl] chromophores varying from square pyramidal to trigonal bipyramidal stereochemistry
Nagao Azuma, Yuji Kohno, Fujito Nemoto, Yuji Kajikawa, Kazuhiko Ishizu, Takashi Takakuwa, Sei Tsuboyama, Kaoru Tsuboyama, Kimiko Kobayashi, Tosio Sakurai
Abstract