title: Synthesis of a 1,3-diphosphacyclobutane-2,4-diyl from Mes*C[triple bond]P.
authors.affiliation: Department of Chemistry, Graduate School of Science, Tohoku University, Aoba, Sendai 980-8578, Japan.
authors.forename: Hiroki
authors.initials: H
authors.lastname: Sugiyama
authors.forename: Shigekazu
authors.initials: S
authors.lastname: Ito
authors.forename: Masaaki
authors.initials: M
authors.lastname: Yoshifuji