2??(4??alkylamido??2??hydroxyphenyl) benz??X??azoles as intermediates for the synthesis of dyes

E Barni, P Savarino, M Marzona…

文献索引：Barni, Ermanno; Savarino, Piero; Marzona, Mario; Piva, Marco Journal of Heterocyclic Chemistry, 1983 , vol. 20, p. 1517 - 1521

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被引用次数: 50

摘要

Abstract Nineteen substituted 2-phenylbenz-X-azoles, which are intermediates for the synthesis of dyes, were prepared from p-aminosalicylic acid (PAS). Substituents in the phenyl ring are 2′-hydroxy and/or 4′-amino and 4′-alkylamido with alkyl chains ranging from C 1 to C 15. The preferred route of the synthesis is discussed. The melting points and the R f values are correlated with the structure. An extensive discussion of the electronic ...