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Molecules 1999, 4(7), 204-218; doi:10.3390/40700204
Article

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

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Received: 6 June 1999 / Accepted: 28 June 1999 / Published: 17 July 1999
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Abstract

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.
Keywords: 2-Hydroxybenzylic alcohols; 2-methylfuran; 2-hydroxyaryl(5-methylfur-2- yl)alkanes; 3-R-benzo[b]furans; recyclization 2-Hydroxybenzylic alcohols; 2-methylfuran; 2-hydroxyaryl(5-methylfur-2- yl)alkanes; 3-R-benzo[b]furans; recyclization
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Gutnov, A.V.; Butin, A.V.; Abaev, V.T.; Krapivin, G.D.; Zavodnik, V.E. 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. Molecules 1999, 4, 204-218.

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