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Coumarins XII: Synthesis of (±)-cis- and trans-3′,4′-dihydroxy-3′,4′-dihydroxanthyletin and their diesters

✍ Scribed by Samir M. El-Antably; T. O. Soine


Publisher
John Wiley and Sons
Year
1973
Tongue
English
Weight
712 KB
Volume
62
Category
Article
ISSN
0022-3549

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Ring-Opening Homo- and Copolymerization
✍ Patrick Kerep; Helmut Ritter 📂 Article 📅 2007 🏛 John Wiley and Sons 🌐 English ⚖ 265 KB

## Abstract Ring‐opening polymerization of the bicyclic lactone mixture **2**, __cis__/__trans__‐3‐oxa‐4‐oxo‐ and __cis__/__trans__‐4‐oxa‐3‐oxobicyclo[5.4.0]undecane with Sn(Oct)~2~ as a catalyst was investigated for the first time (Scheme 1). The lactones were obtained by Baeyer–Villiger oxidation