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ChemInform Abstract: Solvent and Salt Dependent 1,3-Dipolar Cycloaddition: Synthesis of Isoxazolidino- and Isoxazolino-Carbocycles.

✍ Scribed by N. C. BAR; A. ROY; R. PATRA; B. ACHARI; S. B. MANDAL

Publisher
John Wiley and Sons
Year
2010
Weight
29 KB
Volume
28
Category
Article
ISSN
0931-7597

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✦ Synopsis

Solvent and Salt Dependent 1,3-Dipolar Cycloaddition: Synthesis of Isoxazolidino-and Isoxazolino-Carbocycles.

-Nitrones and nitrile oxides derived in situ from unsaturated alcohol ( I) can undergo intramolecular 1,3-dipolar cycloadditions producing isoxazolidines (III) and isoxazolines (VI), resp., in appropriate solvents. The cycloadditions require metal coordination of the solvent to achieve high yields of the desired heterocyclic products. -

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