## Abstract The ^17^O NMR chemical shifts of 14 __N__‐methylpiperidine‐__N__‐oxides and five __N__‐methyltetradecahydroacridine‐__N__‐oxides were measured. The effects of steric factors, such as γ‐__gauche__ and 1,3‐__syn__‐axial interactions of the N^+^—O^−^ oxygen, on the ^17^O chemical shifts ar
Saturated amine oxides: Part 5. Hydroacridines: Part 24.13C NMR chemical shifts of N-epimeric saturated six-membered azaheterocyclic amine oxides
✍ Scribed by Francisc Potmischil; Valentin Cîmpeanu; Helmut Herzog; Joachim Buddrus; Helmut Duddeck
- Publisher
- John Wiley and Sons
- Year
- 2003
- Tongue
- English
- Weight
- 91 KB
- Volume
- 41
- Category
- Article
- ISSN
- 0749-1581
- DOI
- 10.1002/mrc.1209
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✦ Synopsis
Abstract
The ^13^C NMR spectra of 22 piperidine‐, tropine‐ and tetradecahydroacridine‐derived saturated amine oxides were measured. The chemical shifts were assigned on the basis of APT and 2D‐INADEQUATE spectra, and are briefly discussed. Copyright © 2003 John Wiley & Sons, Ltd.
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## Abstract The ^15^N chemical shifts of 13 __N__‐methylpiperidine‐derived mono‐, bi‐ and tricycloaliphatic tertiary amines, their methiodides and their __N__‐epimeric pairs of __N__‐oxides were measured, and the contributions of specific structural parameters to the chemical shifts were determined