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Enantiomeric Discrimination of Isoxazoline Fused β-amino Acid Derivatives using (18-Crown-6)-2,3,11,12-tetracarboxylic Acid as a Chiral NMR Solvating Agent

✍ Scribed by Howard, Jessica A.; Nonn, Melinda; Fulop, Ferenc; Wenzel, Thomas J.

Book ID: 118757028
Publisher: John Wiley and Sons
Year: 2012
Tongue: English
Weight: 293 KB
Volume: 25
Category: Article
ISSN: 0899-0042
DOI: 10.1002/chir.22114

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## Abstract Enantiomeric discrimination is observed in the ^1^H and ^13^C NMR spectra of secondary and tertiary amines in the presence of (−)‐(18‐crown‐6)‐2,3,11,12‐tetracarboxylic acid (**1**). Nonequivalence of the resonances of prochiral nuclei in primary and secondary amines is also observed wh

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