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Chromatographic determination of enantiomeric purity by achiral means

✍ Scribed by Lennart Hansson; Roland Isaksson

Publisher
Elsevier Science
Year
1993
Tongue
English
Weight
482 KB
Volume
653
Category
Article
ISSN
1873-3778

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Sumnary: Enantlomenc purities of axially choral biaryls with hydroxyl, amino, and carboxyl groups can be easily determlned by pmr spectra using MTPA derivatives and shift reagent. Recently, Behnam et al. have reported' that the methyl proton signals in racemlc biaryls such as dimethyl 6,6'-dlmethoxy