Solvent-free microwave multicomponent regiospecific synthesis of pyrimido[4,5-<i>c</i>]isoquinolines and evaluation<i>In Vitro</i>of their antifungal properties
作者:Jairo Quiroga、Carlos Cisneros、Braulio Insuasty、Rodrigo Abonía、Manuel Nogueras、Maximiliano Sortino、Susana Zacchino
DOI:10.1002/jhet.5570430231
日期:2006.3
The free-solvent multicomponent reaction under microwave irradiation of 6-aminopyrimidin-4(3H)-ones (1) with dimedone (2) and N,N-dimethylformamide dimethylacetal yields the pyrimido[4,5-c]isoquinolinones (5a-j). In this process, the intermediate of cyclization was isolated. The structure of the synthesized compounds was determined on the basis of nmr measurements, especially by 1H,1H-,1H,13C COSY
微波辐射6-氨基嘧啶-4(3 H)-酮(1)与二甲基二酮(2)和N,N-二甲基甲酰胺二甲基乙缩醛的游离溶剂多组分反应,生成嘧啶并[4,5- c ]异喹啉酮(5a- j)。在此过程中,分离出环化中间体。合成的化合物的结构是根据nmr测量确定的,尤其是1 H,1 H-,1 H,13 C COSY和DEPT。这些化合物在体外显示出抗真菌活性,尤其是针对皮肤真菌。