title: Synthesis of cyclopentadienones catalyzed by methylidynetricobalt nonacarbonyl.
abstract: Easily prepared and air-stable methylidynetricobalt nonacarbonyl could be used as a catalyst for the intramolecular [2 + 2 + 1]-cocyclization of diynes and carbon monoxide producing cyclopentadienones.
authors.affiliation: Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Yamashiro-cho, Tokushima 770-8514, Japan. taku@ph.bunri-u.ac.jp
authors.forename: T
authors.initials: T
authors.lastname: Sugihara
authors.forename: A
authors.initials: A
authors.lastname: Wakabayashi
authors.forename: H
authors.initials: H
authors.lastname: Takao
authors.forename: H
authors.initials: H
authors.lastname: Imagawa
authors.forename: M
authors.initials: M
authors.lastname: Nishizawa