title: Strong detrimental effect of a minute enantiomeric impurity of a chiral selector on the enantioselectivity factor.
authors.affiliation: Institute of Organic Chemistry, University of Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany.
authors.forename: Pavel A
authors.initials: PA
authors.lastname: Levkin
authors.forename: Norbert M
authors.initials: NM
authors.lastname: Maier
authors.forename: Volker
authors.initials: V
authors.lastname: Schurig
authors.forename: Wolfgang
authors.initials: W
authors.lastname: Lindner
mesh_terms: D000596:Amino Acids / Q000302:isolation & purification*; D002851:Chromatography, High Pressure Liquid; D004136:Dinitrobenzenes / Q000302:isolation & purification*; D015394:Molecular Structure; D004364:Pharmaceutical Preparations / Q000737:chemistry / Q000302:isolation & purification*; D011802:Quinidine / Q000737:chemistry*; D011803:Quinine / Q000737:chemistry*; D013237:Stereoisomerism
chemical_list: D000596:Amino Acids; D004136:Dinitrobenzenes; D004364:Pharmaceutical Preparations; D011803:Quinine; D011802:Quinidine