title: Intramolecular formal [4+2] cycloaddition of 3-ethoxycyclobutanones and alkenes.
abstract: Intramolecular formal [4+2] cycloaddition between 3-ethoxycyclobutanones and a carbon-carbon double bond to the corresponding bicyclo[4.n.0]alkan-2-one derivatives proceeded effectively by using ethylaluminium dichloride.
authors.affiliation: School of Pharmaceutical Sciences, Institute of Medical, Pharmaceutical and Health Sciences, Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan. jimatsuo@p.kanazawa-u.ac.jp
authors.forename: Jun-Ichi
authors.initials: J
authors.lastname: Matsuo
authors.forename: Shun
authors.initials: S
authors.lastname: Sasaki
authors.forename: Takaya
authors.initials: T
authors.lastname: Hoshikawa
authors.forename: Hiroyuki
authors.initials: H
authors.lastname: Ishibashi
mesh_terms: D000475:Alkenes / Q000737:chemistry*; D000077410:Aluminum Chloride; D017607:Aluminum Compounds / Q000737:chemistry; D001643:Bridged Bicyclo Compounds / Q000737:chemistry*; D002384:Catalysis; D002712:Chlorides / Q000737:chemistry; D003500:Cyclization; D003503:Cyclobutanes / Q000737:chemistry*; D013237:Stereoisomerism
chemical_list: D000475:Alkenes; D017607:Aluminum Compounds; D001643:Bridged Bicyclo Compounds; D002712:Chlorides; D003503:Cyclobutanes; D000077410:Aluminum Chloride