## Abstract The signs of all ^13^C^19^F and ^1^H–^19^F coupling constants in fluorobenzene, some substituted derivatives, and in 2‐fluoropyridine have been related using single‐frequency ^13^C{^1^H} double resonance techniques. All ^13^C^19^F couplings in these compounds are shown to be positive
✦ LIBER ✦
1H-1H Inter-ring coupling constants in isoquinoline and quinazoline. Their relationship with corresponding 19F-19F couplings in perfluoro derivatives
✍ Scribed by L Cassidei; O Sciacovelli
- Publisher
- Elsevier Science
- Year
- 1981
- Weight
- 484 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0022-2364
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The magnitudes and relative signs of 13C-'% and 'H-'% coupling constants in 6-F-indole, 5-and 6-F-tryptamine, 5-F-indole-3-carboxaldehyde, 2and 4-F-biphenyl, droperidol, flusperilene, l-F-naphthalene and 3-F-fluroanthene (F = fluoro) have been determined using two-dimensional % -' H chemical shift c