An efficient one-pot synthesis of diarylpyrazolo[1,5-a]pyrimidine from isoflavones
作者:Zun-Ting Zhang、Yu-Qing Ma、Yong Liang、Dong Xue、Qing He
DOI:10.1002/jhet.546
日期:2011.3
Direct synthetic methods of 6,7‐diphenylpyrazolo[1,5‐a]pyrimidine derivatives have been developed. Cyclocondensation of isoflavones with 3‐aminopyrazole in the presence of sodium methoxide as alkali promoter gave 6,7‐diphenylpyrazolo[1,5‐a]pyrimidines in moderate to good yields. J. Heterocyclic Chem., (2011).
已经开发了直接合成6,7-二苯基吡唑并[1,5- a ]嘧啶衍生物的方法。在甲醇钠作为碱促进剂的情况下,异黄酮与3-氨基吡唑的环缩合反应可中等至良好收率,得到6,7-二苯基吡唑并[1,5- a ]嘧啶。J.杂环化学。(2011)。