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

[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.

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