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Lewis acid catalysed rearrangement of triterpenoids

✍ Scribed by A. Chatterjee; S. Mukhopadhyay; K. Chattopadhyay


Publisher
Elsevier Science
Year
1976
Tongue
French
Weight
353 KB
Volume
32
Category
Article
ISSN
0040-4020

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Acid-Catalysed Rearrangements of α-Vinyl
✍ David A. Jackson; Max Rey; André S. Dreiding 📂 Article 📅 1985 🏛 John Wiley and Sons 🌐 German ⚖ 756 KB

## Abstract The BF~3~ · Et~2~O‐ and the CH~3~SO~3~H‐catalysed rearrangements of 10 α‐vinylcyclobutanones have been examined. With little acid, the β,β‐dialkyl derivatives **1** were transformed into linear dienones **2** and **3**; with more acid, they were converted into cyclopentenones **4** by _