Design, synthesis, and antimicrobial activity of some new pyrazolo[3,4-d]pyrimidines
作者:Soad M. Abdel-Gawad、M. M. Ghorab、A. M. Sh. El-Sharief、F. A. El-Telbany、M. Abdel-Alla
DOI:10.1002/hc.10187
日期:——
2-aryloxymethyl-3-amino-1-phenyl-pyrazolo[3,4-d]pyrimidine-4-ones 5a–f have been synthesized by reacting the corresponding arylacetylamino derivatives 3a–f with hydrazine hydrate. Thionation of compounds 5d–f by action of P2S5 in pyridine yielded 2-aryloxy-methyl-3-amino-1-pheny-lpyrazolo[3,4-d]pyrimidin-4-thions 6a–c. 2,5-Diphenyl-2,3-dihydro-1H-pyrazolo[5′,1′:4:5]pyrazolo[3,4-d]pyrimidine-8-one (8) was also
2-苄基-和2-芳氧基甲基-3-氨基-1-苯基-吡唑并[3,4-d]嘧啶-4-酮5a-f已通过相应的芳基乙酰氨基衍生物3a-f与水合肼反应合成。通过 P2S5 在吡啶中的作用,化合物 5d-f 的硫代产生了 2-芳氧基-甲基-3-氨基-1-苯基-lpyrazolo[3,4-d]pyrimidin-4-thions 6a-c。2,5-Diphenyl-2,3-dihydro-1H-pyrazolo[5',1':4:5]pyrazolo[3,4-d]pyrimidine-8-one (8) 2-cinnamoylamino-1-phenyl-pyrazole-4-car-boxylate (7) 与水合肼。对制备的化合物进行体外抗微生物活性筛选。与作为抗菌剂的参考化合物(氨苄青霉素和 Trivid)和作为抗真菌剂的 claforan 相比,发现一些测试化合物在 100 μg/ml 时具有活性。©