Cycloadditions. XVII. Cycloaddition of 1-azirines with cyclopentadienones. Formation of 2H- and 3H-azepines, and mechanistic interpretation
โ Scribed by Hassner, Alfred; Anderson, David J.
- Book ID
- 126155066
- Publisher
- American Chemical Society
- Year
- 1974
- Tongue
- English
- Weight
- 938 KB
- Volume
- 39
- Category
- Article
- ISSN
- 0022-3263
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๐ SIMILAR VOLUMES
Glucosyl dienes 1 have been reacted with the achiral 2H-azirine 4 and with glyoxylates, forming fused structures of type 5 and disaccharide-like compounds 7 with good to excellent selectivity. Glucosyl dienes 1 participated as dienophiles in reactions with Schiff bases derived from anilines forming
The reactions of lH-azepine derivatives (la\_b and 2) with singlet oxygen gave the [6+2] cycloadducts (2a\_b) and the [4+2] cycloadducts (3a\_b and 5). The thermal and base-catalyzed rearrangements of the oxygen-adducts were investigated. The manifold aspects related to the photo-oxygenation of carb