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Protonation and Acid-catalyzed Rearrangement of 1,2-Diazepines

✍ Scribed by Harris, David John; Thomas, M. T.; Snieckus, Victor; Klingsberg, E.

Book ID
125533122
Publisher
NRC Research Press
Year
1974
Tongue
French
Weight
543 KB
Volume
52
Category
Article
ISSN
0008-4042

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Acid catalyzed cope rearrangements of 2-
Acid catalyzed cope rearrangements of 2-acyl-1,5-dienes
✍ William G. Dauben; AndrΓ© Chollet πŸ“‚ Article πŸ“… 1981 πŸ› Elsevier Science 🌐 French βš– 227 KB

The Cope rearrangement of 1,5-dienes bearing acyl substituents in the 2-position of the diene system is strongly accelerated by protic and Lewis acids. Table 1. Rearrangement of 2-Acyl-1,5-dienes. Starting Material Acid Mol % Acid Conditionsa Productsb Isolated Yield !A CF3C02H 100 15 min, CH2C12 ,&