title: Intramolecular [2+2] cycloaddition of homoallylketenes to bicyclo[2.1.1]hexan-5-ones.
abstract: Intramolecular [2+2] cycloaddition of γ,δ-unsaturated ketenes derived from hex-5-enoyl chloride derivatives gave bicyclo[2.1.1]hexan-5-ones with complete regioselectivity.
authors.affiliation: School of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa, Japan.
authors.forename: Takaya
authors.initials: T
authors.lastname: Hoshikawa
authors.forename: Kei
authors.initials: K
authors.lastname: Tanji
authors.forename: Jun-ichi
authors.initials: J
authors.lastname: Matsuo
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Ishibashi
mesh_terms: D001643:Bridged Bicyclo Compounds / Q000737:chemistry*; D003500:Cyclization; D005030:Ethylenes / Q000138:chemical synthesis / Q000737:chemistry*; D007659:Ketones / Q000138:chemical synthesis / Q000737:chemistry*; D008742:Methyl n-Butyl Ketone / Q000737:chemistry*; D013237:Stereoisomerism
chemical_list: D001643:Bridged Bicyclo Compounds; D005030:Ethylenes; D007659:Ketones; D008742:Methyl n-Butyl Ketone; C008223:ketene