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Naphthindoles. 2. Naphtho[2,3-e]indole-4,9-diones and naphtho[2,3-f]indole-5,10-diones

✍ Scribed by S. L. Vorob'eva; V. N. Buyanov; I. I. Levina; N. N. Suvorov


Publisher
Springer US
Year
1989
Tongue
English
Weight
277 KB
Volume
25
Category
Article
ISSN
0009-3122

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A new synthetic route to 2-substituted n
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## Abstract 4,9‐Dimethoxynaphtho[2,3‐__b__]furan 9 was obtained in 91% yield __via__ the reductive methylation of naphtho[2,3‐__b__]furan‐4,9‐dione 2. After treatment of 9 with butyllithium, the mixture was allowed to react with __N,N__‐dimethylacetamide, followed by oxidization with cerium(IV) dia