Heterocyclic Studies. VII. The Preparation and Reactions of 2-Amino-5-hydroxypyridines; the Formation of an Azaquinone1

JA Moore, FJ Marascia

文献索引：Moore; Marascia Journal of the American Chemical Society, 1959 , vol. 81, p. 6049,6053

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被引用次数: 37

摘要

Although this synthesis was structurally unanibiguous and proceeded in a satisfactory yield, a method based on 3-hydroxypyridine as a starting point now was desired for application to the substituted series, in which the only readily accessible starting material was the 3- hydroxy-4-methyl-5-phenylpyridine (VIII). ll Since 3-hydroxy-and-alkoxypyridines give predominantly exclusively 2-substituted products in typical aromatic substitution reactions ...