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Synthesis of isoxazolines and isoxazoles from aldoximes by the use of sodium bromite with organotin halide

✍ Scribed by Osamu Moriya; Hideki Nakamura; Toshifumi Kageyama; Yoshikiya Urata

Book ID
104229455
Publisher
Elsevier Science
Year
1989
Tongue
French
Weight
229 KB
Volume
30
Category
Article
ISSN
0040-4039

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Efficient synthesis of isoxazoles and is
Efficient synthesis of isoxazoles and isoxazolines from aldoximes using Magtrieveβ„’ (CrO2)
✍ Sandeep Bhosale; Santosh Kurhade; Uppuleti Viplava Prasad; Venkata P. Palle; Deb πŸ“‚ Article πŸ“… 2009 πŸ› Elsevier Science 🌐 French βš– 417 KB

Treatment of aldoximes 1 with Magtrieve TM (CrO 2 ) in presence of dipolarophile 3 or 4, furnished a variety of isoxazolines 5a-u and isoxazoles 6a-q as 1,3-dipolar cycloaddition (1,3-DC) products (38 examples; 63-90% isolated yields). In situ formation of a nitrile oxide intermediate was confirmed