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Synthesis of Tricyclic Furans by a Novel Tandem Reaction: Intramolecular [3 + 2]- Hetero-Annulation of Allylsilanes with Cyclic 1,3-Diketones 1

✍ Scribed by Schinzer, Dieter; Panke, Gerhard


Book ID
126423410
Publisher
American Chemical Society
Year
1996
Tongue
English
Weight
113 KB
Volume
61
Category
Article
ISSN
0022-3263

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✍ Tietze, Lutz F. ;Utecht, Jens πŸ“‚ Article πŸ“… 1992 πŸ› Wiley (John Wiley & Sons) 🌐 English βš– 542 KB

Azabutadienes f Isoxazoles f Tetrahydropyridines 1 Diels-Alder reactions / Sequential transformations Condensation of aldehydes 1 ae with 5-amino-3-methylisoxazole (4) gives the corresponding imines 5a-e with a 2-aza-1,3-butadiene moiety, which cyclize selctively, e.g. 5a to form the trans-fused tet