title: The use of exchangeable nuclei to observe enantiomers through deuterium NMR in chiral liquid crystalline solvents.
abstract: It is demonstrated that (2)H NMR in chiral liquid crystalline solvents can be used to measure enantiomeric excesses using exchangeable deuterons in alcohols. This is performed in a trivial way at low temperature (260-270 K) where a slow exchange regime was reached. Among the various alcohols used to explore the possibilities of this technique, an unusually large isotopic effect on molecular orientation between two isotopomers has been observed.
authors.affiliation: Laboratoire de RMN en Milieu Orienté, ICMMO, UMR CNRS 8182, Bât 410, Université Paris-Sud, 91405 Orsay cedex, France.
authors.forename: Martina
authors.initials: M
authors.lastname: Palomino
authors.forename: Hussein
authors.initials: H
authors.lastname: Khudr
authors.forename: Jacques
authors.initials: J
authors.lastname: Courtieu
authors.forename: Denis
authors.initials: D
authors.lastname: Merlet
authors.forename: Abdelkrim
authors.initials: A
authors.lastname: Meddour
mesh_terms: D000438:Alcohols / Q000737:chemistry*; D003903:Deuterium / Q000737:chemistry*; D050866:Liquid Crystals / Q000737:chemistry*; D009682:Magnetic Resonance Spectroscopy; D015394:Molecular Structure; D011522:Protons; D012997:Solvents / Q000737:chemistry; D013237:Stereoisomerism; D013696:Temperature
chemical_list: D000438:Alcohols; D011522:Protons; D012997:Solvents; D003903:Deuterium