A Novel Synthesis and Molluscicidal Activity of some Functionally Substituted Pyridine, Pyrido[3,2-c]pyridazine, and Pyrido[3,2-c]pyridazino[2′,3′-a]quinazoline Derivatives
作者:Fathy M. Abdelrazek、Alaa El-Din M. Fathy
DOI:10.1002/ardp.200400938
日期:2005.7
which undergoes the coupling reaction with aromatic diazonium salts to afford azo derivatives. These azo derivatives could be cyclized into pyrido[3,2‐c]pyridazine and pyrido[3,2‐c]pyridazino[2′,3′‐a]quinazoline derivatives upon reflux in ethanolic NaOH, presumably via their hydrazo tautomers. The molluscicidal activity of these compounds was evaluated.
苯甲酰乙酸乙酯与丙二腈二聚体反应生成4-氨基-5-苯甲酰基-2-二氰基甲基-6-羟基吡啶,再与芳族重氮盐发生偶联反应生成偶氮衍生物。这些偶氮衍生物可以在乙醇 NaOH 中回流后环化为吡啶并 [3,2-c] 哒嗪和吡啶并 [3,2-c] 哒嗪并 [2', 3'-a] 喹唑啉衍生物,这可能是通过它们的偶氮互变异构体。评价了这些化合物的杀软体动物活性。