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Convenient method for the synthesis of 2-substituted naphtho[2,3−g]indole-6,11-diones

✍ Scribed by A. V. Piskunov; M. S. Shvartsberg

Book ID
112449504
Publisher
Springer
Year
1990
Tongue
English
Weight
132 KB
Volume
39
Category
Article
ISSN
1573-9171

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✍ Sahar Al Akoum Ebrik; Anne Legrand; Benoît Rigo; Daniel Couturier 📂 Article 📅 1999 🏛 Journal of Heterocyclic Chemistry 🌐 English ⚖ 280 KB

## Abstract Condensation of __N__‐trimethylsilylindole with methyl __N__‐trimethylsilyloxymethylpyroglutamate is the best method to obtain methyl __N__‐indolylmethylpyroglutamate. Friedel‐Crafts cyclization of the corresponding acid yields a new ketone (1,2,3,5,11,11a‐hexahydroindolizino[7,6‐__b__]