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首页> 外文期刊>Der Pharma Chemica: journal for medicinal chemistry, pharmaceutical chemistry and computational chemistry >Design and Synthesis of Classical Dihydropyrimidone Derivatives from Azosalicyaldehydes
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Design and Synthesis of Classical Dihydropyrimidone Derivatives from Azosalicyaldehydes

机译:偶氮二醛经典二氢嘧啶酮衍生物的设计与合成

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A series of classical Dihydropyrimidone (DHP) derivatives were synthesize from o-hydroxy aldehydes. Azosalicyaldehydes were prepared from various substituted anilines with salicylaldehyde by the reported process. These Azosalicyaldehydes were reacts with ethylacetoacetate and urea in presence of ZnCl2 catalyst under 70-80°C temperature gives reported DHP products rather than oxygen bridged tricyclic product. The present method is founds eco-friendly, highly efficient, and clean method for the selective synthesis of DHP derivatives.
机译:由邻羟基醛合成了一系列经典的二氢嘧啶酮(DHP)衍生物。通过报道的方法,用水杨醛由各种取代的苯胺制备了氮杂醛。在ZnCl2催化剂的存在下,在70-80°C的温度下,将这些氮杂乙醛与乙酰乙酸乙酯和尿素反应,得到了报道的DHP产物,而不是氧桥连的三环产物。本发明方法发现了用于DHP衍生物的选择性合成的生态友好,高效且清洁的方法。

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