title: Enantioselective [4+2] cycloaddition of ketenes and 1-azadienes catalyzed by N-heterocyclic carbenes.
abstract: Optically active highly functionalized 3,4-dihydropyridin-2-ones were synthesized by N-heterocyclic carbene-catalyzed [4+2] enantioselective cycloaddition of ketenes and 1-azadienes.
authors.affiliation: Key Laboratory of Molecular Recognition and Function, Institute of Chemistry, Chinese Academy of Sciences, Beijing 100, 19, 0, China.
authors.forename: Teng-Yue
authors.initials: TY
authors.lastname: Jian
authors.forename: Pan-Lin
authors.initials: PL
authors.lastname: Shao
authors.forename: Song
authors.initials: S
authors.lastname: Ye
mesh_terms: D001372:Aza Compounds / Q000138:chemical synthesis / Q000737:chemistry*; D002384:Catalysis; D018360:Crystallography, X-Ray; D003500:Cyclization; D005030:Ethylenes / Q000138:chemical synthesis / Q000737:chemistry*; D006571:Heterocyclic Compounds / Q000737:chemistry*; D007659:Ketones / Q000138:chemical synthesis / Q000737:chemistry*; D008697:Methane / Q000031:analogs & derivatives* / Q000737:chemistry; D008968:Molecular Conformation; D013237:Stereoisomerism
chemical_list: D001372:Aza Compounds; D005030:Ethylenes; D006571:Heterocyclic Compounds; D007659:Ketones; C030011:carbene; C008223:ketene; D008697:Methane