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Nuclear magnetic resonance spectral analysis of three isomeric 2,3,5-trisubstituted N-methylpiperidines

✍ Scribed by Heleni K. Kotzamani; Ioannis K. Stamos


Publisher
John Wiley and Sons
Year
1994
Tongue
English
Weight
389 KB
Volume
32
Category
Article
ISSN
0749-1581

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✦ Synopsis


Abstract

The ^1^H and ^13^C NMR spectra of three stereoisomeric 2‐(p‐chlorophenylthiomethyl)‐3‐(3‐methoxyphenyl)‐5‐carbomethoxy‐N‐methylpiperidines were analysed in terms of configuration and solute conformation. These studies together with 2D J‐resolved, 2D‐COSY and 2D ^1^H^13^C‐correlated spectra demonstrate the existence of 2a‐3a‐5e, 2e‐3a‐5e and 2e‐3e‐5e chair conformations


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