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1,3-Dipolar cycloadditions of cyclic nitrones with trisubstituted alkenes

✍ Scribed by Ali, Sk. Asrof; Wazeer, Mohammed I. M.

Book ID
118741660
Publisher
Royal Society of Chemistry
Year
1990
Tongue
English
Weight
763 KB
Volume
6
Category
Article
ISSN
1472-779X

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## Abstract 1,3‐Dipolar cycloaddition of nitrones with ethyl vinyl ether or 2,3‐dihydrofuran proceeds smoothly in the presence of a catalytic amount (10 mol%) of ytterbium triflate to afford isoxazolidines and dicyclic isoxazolidine respectively with good yields and high stereoselectivity.