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Synthesis of dihydropyrano[3,2-e]indoles as rotationally restricted phenolic analogs of 5-hydroxyindole—thermal Claisen approach versus gold catalysis

✍ Scribed by George N. Karageorge; John E. Macor

Publisher
Elsevier Science
Year
2011
Tongue
French
Weight
325 KB
Volume
52
Category
Article
ISSN
0040-4039

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ChemInform Abstract: Synthesis of Dihydr
ChemInform Abstract: Synthesis of Dihydropyrano[3,2-e]indoles as Rotationally Restricted Phenolic Analogues of 5-Hydroxyindole—Thermal Claisen Approach versus Gold Catalysis.
✍ George N. Karageorge; John E. Macor 📂 Article 📅 2011 🏛 John Wiley and Sons ⚖ 32 KB

## Abstract The use on a gold catalyst facilitates the Claisen rearrangement/cyclization of propargyloxyindoles (I) allowing to reduce the reaction temperature from 156°C to 101°C with better yields of the condensed heterocycles (II).