Conformation of nefopam hydrochloride, a novel analgesic
✍ Scribed by Robert Glaser; Shmuel Cohen; David Donnell; Israel Agranat
- Publisher
- John Wiley and Sons
- Year
- 1986
- Tongue
- English
- Weight
- 379 KB
- Volume
- 75
- Category
- Article
- ISSN
- 0022-3549
No coin nor oath required. For personal study only.
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## Abstract Nitrogen quaternization in the analgesic nefopam [(±)‐3,4,5,6‐tetrahydro‐5‐methyl‐1‐phenyl‐1__H__‐2,5,‐ benzoxazocine hydrochloride] by either __N__‐trideuteriomethylation or __N__‐oxidation affords reaction product diastereomeric mixtures differing in __N__‐configuration. The axial to
## Abstract Two different __N__‐configurations and two different eight‐membered ring conformations were found in the diastereomeric crystalline (1__R__,3__S__)/(1__S__,3__R__)‐ and (1__S__,3__R__)/(1__S__,3__S__)‐3‐methylnefopam hydrochloride salts. ^1^H and ^13^C NMR spectroscopy showed that both