A 13C13C spin-spin coupling matrix for azulene
✍ Scribed by Berger, Stefan; Zeller, Klaus Peter
- Book ID
- 125991320
- Publisher
- American Chemical Society
- Year
- 1984
- Tongue
- English
- Weight
- 414 KB
- Volume
- 49
- Category
- Article
- ISSN
- 0022-3263
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📜 SIMILAR VOLUMES
## Abstract Endocyclic one‐bond ^13^C^13^C spin–spin coupling constants in a series of cubane derivatives were recorded. The values measured using the INADEQUATE pulse sequence were found to be insensitive to the nature of the substituent, fall in a narrow range (27–30 Hz) and are comparable to va
## Abstract A series of 7‐^13^C‐labeled __o__‐substituted toluene derivatives and carboxyl‐^13^C‐isocrotonic and crotonic acid were synthesized and studied by ^13^C NMR spectroscopy to obtain ^13^C^13^C spin‐spin coupling constants involving the labeled carbon. The __cis__ ^3^__J__(CC) values were
## 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