Enaminonitrile as Building Block in Heterocyclic Synthesis: Synthesis of Novel<i> 4H</i>-Furo[2,3-<i>d</i>][1,3]oxazin-4-one and Furo[2,3-<i>d</i>]pyrimidin-4<i>(3H)</i>-one Derivatives
作者:Manal M. El-Shahawi、Ahmed K. El-Ziaty
DOI:10.1155/2017/5610707
日期:——
for the construction of new furo[2,3-d]pyrimidin-4(3H)-one derivative 2 and 4H-furo2,3-d1,3oxazin-4-one derivative 3 via treatment with acetic anhydride and benzoyl chloride, respectively. The 4H-furo2,3-d1,3oxazin-4-one derivative 3 was transformed into novel furo[2,3-d]pyrimidin-4(3H)-ones 4–8, tetrazolylfuran derivative 10, and furo[3,2-d]imadazolone derivative 11 via reaction with various nitrogen
2-Amino-4,5-diphenylfuran-3-carbonitrile 1 被用作构建新的 furo[2,3-d]pyrimidin-4(3H)-one 衍生物 2 和 4H-furo2,3-d1 ,3oxazin-4-one 衍生物 3 分别用乙酸酐和苯甲酰氯处理。4H-furo2,3-d1,3oxazin-4-one 衍生物 3 被转化为新型 furo[2,3-d]pyrimidin-4(3H)-ones 4-8、四唑基呋喃衍生物 10 和 furo[3,2 -d]咪唑酮衍生物 11 通过与各种含氮亲核试剂反应生成。合成化合物的结构特征是通过光谱和元素分析确定的。