A facile synthesis of 4-hydroxy-and 4-aminoindoles through corresponding indolines.

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概要

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• 2-(2,6-Diaminophenyl)ethanol can be conducted to 4-hydroxyindoline under heating in aqueous 70% phosphoric acid, and to 4-aminoindoline under heating in aqueous 30% sulfuric acid. Both 4-hydroxy- and 4-aminoindoles were obtained by dehydrogenation of the indolines under refluxing in 1,4-dimethylbenzene over palladium on charcoal.

• 公益社団法人 日本化学会の論文

著者

• Aizawa Takao

  Department of Applied Chemistry, Faculty of Engineering, Okayama University

関連論文

• A facile synthesis of 3-hydroxymethyl- and 3-formylindoles from o-nitrotoluene.
• A facile synthesis of 4-hydroxy-and 4-aminoindoles through corresponding indolines.

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