Synthesis and reactions of 2-amino-6-(3-methyl-5-oxo-1-phenyl-2-pyrazolin-4-yl)-4-phenylpyridine-3-carbonitrile
作者:R. A. Ahmed、M. M. Kandeel、M. S. Abbady、M. S. K. Youssef
DOI:10.1002/jhet.5570390211
日期:2002.3
-3-carbonitrile (1) obtained by the reaction of 4-(1-iminoethyl)-3-methyl-1-phenyl-2-pyrazolin-5-one with benzylidenemalononitrile, was reacted with triethyl orthoformate followed by hydrazine hydrate, acetic anhydride, acetyl chloride, alkyl halides, benzoyl chloride, sulphuric acid followed by formamide, phenyl isothiocyanate, carbon disulphide followed by ethyl iodide, formamide, trichloroacetonitrile
通过4-(1-亚氨基乙基)反应获得的2-氨基-6-(3-甲基-5-氧代-1-苯基-2-吡唑啉-4-基)-4-苯基吡啶-3-甲腈(1)使-3-甲基-1-苯基-2-吡唑啉-5-酮与亚苄基丙二腈与原甲酸三乙酯,水合肼,乙酸酐,乙酰氯,烷基卤化物,苯甲酰氯,硫酸,然后由甲酰胺,异硫氰酸苯酯反应,用二硫化碳,碘乙烷,甲酰胺,三氯乙腈,亚硝酸生成新的氧杂吡唑啉基吡啶(2,3,5,6,8,9,10)和相关的吡啶并嘧啶(11-17)和吡啶并三嗪(18)。