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Ring—Ring Tautomerism in the Series of Isoxazolidine and Δ2-Isoxazoline Derivatives.

✍ Scribed by A. Yu. Ershov

Publisher
John Wiley and Sons
Year
2003
Weight
108 KB
Volume
34
Category
Article
ISSN
0931-7597

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Hydration of 2-Isoxazoline Leading to a Stable 3,5,5-Trisubstituted 3-Isoxazolidinol − N-Acylated Derivatives and Ring-Chain Tautomerism Study
✍ Cornelia Uncuţa; Adriana Tudose; Miron T. Căproiu; Silvia Udrea; Christian Rouss 📂 Article 📅 2002 🏛 John Wiley and Sons 🌐 English ⚖ 122 KB

A new 2-isoxazoline ring-opening pathway leading to β-(acylaminooxy) ketones 9 is described. It occurred through covalent hydration of the C-N double bond giving stable 3isoxazolidinol 5, followed by acylation with anhydrides. The ring-chain tautomerism of 3-isoxazolidinol 5 in comparison