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An improved preparation of tetrahydropyridines from 1-alkyl-3-acylpyridinium salts

✍ Scribed by L. Chevolot; H.-P. Husson


Book ID
112125502
Publisher
Journal of Heterocyclic Chemistry
Year
1978
Tongue
English
Weight
79 KB
Volume
15
Category
Article
ISSN
0022-152X

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Recent work in this laboratory has shown N-acylamino-1,3-butadienes (4) to be valuable components for intramolecular Diels-Alder reactions. Thus, heating the dienes 4, R2,R3 = 3-or 4-alkenyl, readily provides complex hydrogenated indolines and quinolines 2) as illustrated by the stereocontrolled