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Superacid-Catalyzed Reactions of Pyridinecarboxaldehydes.

✍ Scribed by Douglas A. Klumpp; Yiliang Zhang; Patrick J. Kindelin; Siufu Lau


Publisher
John Wiley and Sons
Year
2006
Weight
18 KB
Volume
37
Category
Article
ISSN
0931-7597

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Superacid-Catalyzed Cyclization of Methy
✍ Marina Grinco; Veaceslav KulciΕ£ki; Nicon Ungur; Wieslaw Jankowski; Tadeusz Chojn πŸ“‚ Article πŸ“… 2007 πŸ› John Wiley and Sons 🌐 German βš– 84 KB

## Abstract Methyl (2__Z__,6__Z__,10__E__,14__E__)‐ (**3**) and methyl (2__E__,6__Z__,10__E__,14__E__)‐geranylfarnesoate (**4**) were prepared, and then individually cyclized in the presence of the superacid FSO~3~H. In the case of substrate **3**, the scalaranic ester **9** (26%) and the cheilanth