NMR of terminal oxygen. 16—17O NMR of am
✍
Hans Dahn; Vien Van Toan; Peter Péchy
📂
Article
📅
1995
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John Wiley and Sons
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English
⚖ 387 KB
## Abstract Natural abundance ^17^O NMR data for six classes of __N__‐acyl compounds RCONX are reported: acylazide, acylisocyanate, acylisothiocyanate, diacyldiimide, 1‐acylimidazole and __N__,__N__′‐carbonyldiimidazole. Compared with the normal amide group, they all show strong deshielding (Δδ ≈︁