title: Preparation and characterization of an air-tolerant 1,3-diphosphacyclobuten-4-yl radical.
authors.affiliation: Department of Chemistry, Graduate School of Science, Tohoku University, Aoba, Sendai 980-8578, Japan. ito@synchem.chem.tohoku.ac.jp
authors.forename: Shigekazu
authors.initials: S
authors.lastname: Ito
authors.forename: Manabu
authors.initials: M
authors.lastname: Kikuchi
authors.forename: Masaaki
authors.initials: M
authors.lastname: Yoshifuji
authors.forename: Anthony J
authors.initials: AJ
authors.lastname: Arduengo
authors.forename: Tatyana A
authors.initials: TA
authors.lastname: Konovalova
authors.forename: Lowell D
authors.initials: LD
authors.lastname: Kispert