Effect of protonation on the13C-13C spin-spin coupling constants in α-picoline
✍ Scribed by A. Yu. Denisov; V. I. Mamatyuk; O. P. Shkurko
- Book ID
- 112544363
- Publisher
- Springer
- Year
- 1986
- Tongue
- English
- Weight
- 72 KB
- Volume
- 35
- Category
- Article
- ISSN
- 1573-9171
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## Abstract The synthesis of six 1‐X‐ (X = OH, OCH~3~, OCOCH~3~, CH~3~, CHO and CN) phenanthrene derivatives with a ^13^C label at C‐1 is described. An analysis of the ^13^C^13^C spin coupling constants shows the importance of π‐interaction for the coupling constant transmission. Small ^13^C^13^C s