An efficient one-pot synthesis of diarylpyrazolo[1,5-a]pyrimidine from isoflavones

An efficient one-pot synthesis of diarylpyrazolo[1,5-a]pyrimidine from isoflavones

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...

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Veröffentlicht in:Journal of heterocyclic chemistry 2011-03, Vol.48 (2), p.279-285
Hauptverfasser: Zhang, Zun-Ting, Ma, Yu-Qing, Liang, Yong, Xue, Dong, He, Qing
Format: Artikel
Sprache:eng
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Zusammenfassung: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).
ISSN:0022-152X
1943-5193
DOI:10.1002/jhet.546