A Facile Synthesis and Heteroannulation of Thiazolopyrimidine and Related Heterocyclic Systems
作者:Aly A. Aly
DOI:10.3184/030823407x248621
日期:2007.9
electrophilic and nucleophilic reagents gave annulated pyrimidine derivatives 3–11, respectively. Compound 3 ([7-(dibenzothien-2-yl)-5-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]-pyrimidin-6-yl]acetic acid) was transformed to pyrimidinylacetyl azide 12, which upon heterocyclisation with active methylene compounds, acidic and basic reagents furnished functionally substituted heteroaromatic compounds 13–21,
嘧啶基乙酸 2 与不同的亲电和亲核试剂反应,分别得到环状嘧啶衍生物 3-11。将化合物 3([7-(dibenzothien-2-yl)-5-phenyl-2,3-dihydro-5H-thiazolo[3,2-a]-pyrimidin-6-yl] 乙酸)转化为嘧啶基乙酰叠氮化物 12 ,在与活性亚甲基化合物杂环化后,酸性和碱性试剂分别提供功能取代的杂芳族化合物 13-21。通过元素和光谱分析阐明了合成衍生物的结构。