Furyl(aryl)alkanes and Their Derivatives. 19. Synthesis of Benzofuran Derivatives via 2-Hydroxyaryl-R-(5-methylfur-2-yl)methanes. Reaction of Furan Ring Opening - Benzofuran Ring Closure Type

Furyl(aryl)alkanes and Their Derivatives. 19. Synthesis of Benzofuran Derivatives via 2-Hydroxyaryl-R-(5-methylfur-2-yl)methanes. Reaction of Furan Ring Opening - Benzofuran Ring Closure Type

2-Hydroxyaryl(5-methylfur-2-yl)alkanes synthesized by alkylation of 2-methylfuran with various 2-hydroxybenzylic alcohols, were rearranged into corresponding 3-R-benzo[b]furan derivatives by treatment with ethanolic HCl solution. These compounds can not be transformed into dibenzoxazulenium salts.

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Veröffentlicht in:Molecules (Basel, Switzerland) Switzerland), 1999-07, Vol.4 (7), p.204-218
Hauptverfasser: Gutnov, Andrey V., Butin, Alexander V., Abaev, Vladimir T., Krapivin, Gennadij D., Zavodnik, Valerij E.
Format: Artikel
Sprache:eng
Schlagworte:
2-hydroxyaryl(5-methylfur-2- yl)alkanes
2-Hydroxybenzylic alcohols
2-methylfuran
3-R-benzo[b]furans
Acids
Alcohol
Hydrocarbons
Organic chemistry
recyclization
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Zusammenfassung:2-Hydroxyaryl(5-methylfur-2-yl)alkanes synthesized by alkylation of 2-methylfuran with various 2-hydroxybenzylic alcohols, were rearranged into corresponding 3-R-benzo[b]furan derivatives by treatment with ethanolic HCl solution. These compounds can not be transformed into dibenzoxazulenium salts.
ISSN:1420-3049
1420-3049
DOI:10.3390/40700204