An Efficient One-Pot Synthesis of Diarylpyrazolo [1,5-a]pyrimidine from Isoflavones

作者:Zhang, Zun-Ting*; Ma, Yu-Qing; Liang, Yong; Xue, Dong; He, Qing
来源:Journal of Heterocyclic Chemistry, 2011, 48(2): 279-285.
DOI:10.1002/jhet.546

摘要

Direct synthetic methods of 6,7-chphenylpyrazolo[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.