An Efficient Synthesis of 1-Thia-5-azaspiro[5.5]undec-2-ene and its Recyclization to 1,5-Diazaspiro[5.5]undec-2-ene and/or Spiro-Thieno[2,3-d]pyrimidin-4(1H)-one Derivatives
作者:Raafat M. Shaker、Asmaa Hamoda、Yusria R. Ibrahim、Kamal M. El-Shaieb、Fathy F. Abdel-Latif
DOI:10.1515/znb-2011-0508
日期:2011.5.1
direct synthesis of 1-thia-5-azaspiro[5.5]undec-2-ene is described, and the basecatalyzed recyclization of this compound was studied. The products have been characterized by elemental analyses, and IR, MS, 1H NMR, and 13C NMR spectroscopy Graphical Abstract An Efficient Synthesis of 1-Thia-5-azaspiro[5.5]undec-2-ene and its Recyclization to 1,5-Diazaspiro[5.5]undec-2-ene and/or Spiro-Thieno[2,3-d]pyrimidin-4(1H)-one
描述了 1-thia-5-azaspiro[5.5]undec-2-ene 的高效直接合成,并研究了该化合物的碱催化回收。产物已通过元素分析和 IR、MS、1H NMR 和 13C NMR 光谱表征 图形摘要 An Efficient Synthesis of 1-Thia-5-azaspiro[5.5] undec-2-ene and its Recyclization to 1,5- Diazaspiro[5.5]undec-2-ene 和/或 Spiro-Thieno[2,3-d]pyrimidin-4(1H)-one 衍生物