## Abstract The ^13^C NMR spectrum (at natural abundance) of monomeric chlorophyll α in acetone‐__d__~6~ has been recorded to re‐examine the assignments of the low field (aromatic‐olefinic) region of the spectrum. The assignments, made by the examination of the fully coupled spectrum and by the use
Complete assignment of the carbon-13 NMR spectrum of oiticica oil: Interpretation of chemical shifts in conjugated systems
✍ Scribed by L. Bergter; P. R. Seidl
- Book ID
- 112772882
- Publisher
- Springer-Verlag
- Year
- 1984
- Tongue
- English
- Weight
- 264 KB
- Volume
- 19
- Category
- Article
- ISSN
- 0024-4201
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## Abstract Proton‐coupled as well as noise‐decoupled ^13^C NMR spectra of several substituted naphthalenes have been studied. Complete assignments of the ^13^C signals based on selectively deuterated derivatives and on the ^13^C^1^H coupling pattern have been made. For the methoxynaphthalenes, ac
Nmr chemical shLft correlations involving the exo and endo protons in 5-and 6-substituted nor--born-2-enes have proved useful in making configurational assignments in these systems.2 Many of these assignments can be confirmed through the observation of stereospecific long-range couplings. 3