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Diels-alder reactions of 2-pyrones with acyclic dienophiles and hydrolyses of the mono-adducts

✍ Scribed by Tetsuro Shimo; Katsuyuki Kataoka; Ayumi Maeda; Kenichi Somekawa

Book ID
112130354
Publisher
Journal of Heterocyclic Chemistry
Year
1992
Tongue
English
Weight
238 KB
Volume
29
Category
Article
ISSN
0022-152X

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Inverse-electron-demand Diels–Alder reactions of 4-aryl-2-pyrones with electron-rich dienophiles
✍ László Balázs; István Kádas; László Tõke 📂 Article 📅 2000 🏛 Elsevier Science 🌐 French ⚖ 120 KB

The Diels-Alder reaction of 4-aryl-pyrones with electron-rich dienophiles afforded substituted biaryl derivatives in most cases. At the minimal temperatures necessary for a measurable conversion of the starting pyrones, the bicyclic lactones, the primary products of the condensation, underwent cyclo