title: Asymmetric Brønsted acid catalyzed cycloadditions--efficient enantioselective synthesis of pyrazolidines, pyrazolines, and 1,3-diamines from N-acyl hyrazones and alkenes.
authors.affiliation: Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074 Aachen, Germany. magnus.rueping@rwth-aachen.de
authors.forename: Magnus
authors.initials: M
authors.lastname: Rueping
authors.forename: Modhu Sudan
authors.initials: MS
authors.lastname: Maji
authors.forename: Hatice Başpınar
authors.initials: HB
authors.lastname: Küçük
authors.forename: Iuliana
authors.initials: I
authors.lastname: Atodiresei
mesh_terms: D000143:Acids / Q000737:chemistry*; D000475:Alkenes / Q000737:chemistry*; D061565:Cycloaddition Reaction; D003959:Diamines / Q000138:chemical synthesis / Q000737:chemistry*; D006835:Hydrazones / Q000737:chemistry*; D006860:Hydrogen Bonding; D011720:Pyrazoles / Q000138:chemical synthesis / Q000737:chemistry*; D013237:Stereoisomerism
chemical_list: D000143:Acids; D000475:Alkenes; D003959:Diamines; D006835:Hydrazones; D011720:Pyrazoles