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A Simple Route to Furo[3,4-b]furans, Compounds with a New Diheteropentalene System

✍ Scribed by Prof. Dr. Wolfgang Eberbach; Prof. Dr. Hans Fritz; Dipl.-Chem. Norbert Laber

Publisher
John Wiley and Sons
Year
1988
Tongue
English
Weight
241 KB
Volume
27
Category
Article
ISSN
0044-8249

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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