Synthesis, reactions and biological activity of 2-substituted 3-cyano-4,6-dimethylpyridine derivatives
作者:F. A. Yassin
DOI:10.1007/s10593-009-0222-x
日期:2009.1
6-dimethylpyridine-3-carbonitrile with hydrazine hydrate, hydroxylamine, and anthranilic acid afforded the corresponding pyrazolo, isoxazolo, and pyridoquinazoline derivatives. Alkylation of 2-mercapto-4,6-dimethylpyridine-3-carbonitrile with ethyl chloroacetate or phenacyl bromide followed by cyclization in NaOH gave thienopyridine derivatives. Diazotization of ethyl 3-amino-4,6-dimethylthiеno[2,3-
2-氯-4,6-二甲基吡啶-3-甲腈与水合肼,羟胺和邻氨基苯甲酸的反应提供了相应的吡唑并,异恶唑和吡啶并喹唑啉衍生物。将2-巯基-4,6-二甲基吡啶-3-腈与氯乙酸乙酯或苯甲酰溴烷基化,然后在NaOH中环化,得到噻吩并吡啶衍生物。3-氨基-4,6-二甲基噻吩并[2,3-b]吡啶-2-羧酸乙酯的重氮化反应,然后与硫脲,碳酸胍和盐酸羟胺反应,得到相应的噻吩并吡啶衍生物。已经讨论了一些新化合物的生物活性。