Direct13C-13C spin-spin coupling constants in the vinyl group of N-vinylazoles
โ Scribed by A. V. Afonin; L. B. Krivdin; D. K. Danovich; V. K. Voronov; L. A. Es'kova; B. V. Trzhtsinskaya; L. V. Baikalova; S. R. Buzilova; G. A. Gareev
- Publisher
- Springer US
- Year
- 1989
- Tongue
- English
- Weight
- 340 KB
- Volume
- 25
- Category
- Article
- ISSN
- 0009-3122
No coin nor oath required. For personal study only.
๐ SIMILAR VOLUMES
## Abstract The synthesis of six 1โXโ (X = OH, OCH~3~, OCOCH~3~, CH~3~, CHO and CN) phenanthrene derivatives with a ^13^C label at Cโ1 is described. An analysis of the ^13^C^13^C spin coupling constants shows the importance of ฯโinteraction for the coupling constant transmission. Small ^13^C^13^C s
## Abstract A series of 7โ^13^Cโlabeled __o__โsubstituted toluene derivatives and carboxylโ^13^Cโisocrotonic and crotonic acid were synthesized and studied by ^13^C NMR spectroscopy to obtain ^13^C๏ฃฟ^13^C spinโspin coupling constants involving the labeled carbon. The __cis__ ^3^__J__(CC) values were