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5-Amino-4,5-dihydroisoxazoles. Part II . Reactions of 5-amino-3-aryl-4-methylene-4,5-dihydroisoxazoles with Nucleophiles

✍ Scribed by Donato Pocar; Luisa Maria Rossi; Franca Scorca; Pasqualina Trimarco


Book ID
112126068
Publisher
Journal of Heterocyclic Chemistry
Year
1980
Tongue
English
Weight
272 KB
Volume
17
Category
Article
ISSN
0022-152X

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4,5-dihydroisoxazoles, IX. Reactions of
✍ Erba, Emanuela ;Pocar, Donato 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 277 KB

## Abstract The 5(4__H__)‐oxazolones 1a–e react with 5‐morpholinoisoxazoles 2a–b to afford the 4‐[(4‐isoxazolyl)methyl]‐5(4__H__)‐oxazolones 3a–g. Compounds 3 are hydrogenated with Pd/C in dioxane to yield the corresponding 1,4,5,6‐tetrahydro‐6‐oxo‐3‐pyridinecarbaldehydes 6a–d.