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Synthesis of N-benzoylamino-1,2,3,6-tetrahydropyridine derivatives as potential anti-inflammatory agents
✍ Scribed by Bereket Mochona; Kinfe K. Redda
- Publisher
- Journal of Heterocyclic Chemistry
- Year
- 2007
- Tongue
- English
- Weight
- 302 KB
- Volume
- 44
- Category
- Article
- ISSN
- 0022-152X
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✦ Synopsis
Abstract
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N‐Benzoylamino‐1,2,3,6‐tetrahydropyridines 9a‐q were synthesized from 4‐substituted pyridines in four steps. Amination of pyridines was carried out to prepare intermediate N‐aminopyridinium mesylates using mesytelenesulfonyl hydroxmate (MSH) as aminating agent. N‐aminopyridinium mestylates reacted with appropriately substituted acyl chlorides to form N‐ylides as stable crystalline solids. Partial reduction of N‐ylides with mild reducing agent afforded N‐benzoylamino‐1,2,3,6‐tetrahydropyridines in fair to good yields.
📜 SIMILAR VOLUMES
## Abstract Fourteen novel __N__‐(substituted phenylcarbonylamino)‐4‐ethyl‐1,2,3,6‐tetrahydropyridines **9** were synthesized in fair to good yields. 4‐Ethylpyridine **5** reacted with __O__‐mesitylenesulfonylhydroxylamine (__O__‐MSH) **4** to furnish __N__‐amino‐4‐ethylpyridinium mesitylenesulfona