Some New Pyrazole and Pyrazolopyrimidines: Synthesis and Antimicrobial Evaluation
作者:Ahmed H. Shamroukh、Aymn E. Rashad、Hatem S. Ali、Farouk M. E. Abdel-Megeid
DOI:10.1002/jhet.1550
日期:2013.7
β‐enaminonitrile of 1‐(6‐phenyl‐pyridazin‐3‐yl)‐pyrazole derivative 2 was formed using (6‐phenyl‐pyridazin‐3‐yl)‐hydrazine (1) and 2‐ethoxymethylene‐malononitrile. The β‐enaminonitrile derivative 2 was in turn used as precursors for the preparation of 1‐(6‐phenyl‐pyridazin‐3‐yl)‐pyrazoles (3, 9, 11), 1‐(6‐phenyl ‐pyridazin‐3‐yl)‐pyrazolo[3,4‐d]pyrimidines (4, 5, 6, 7, 8, 13, 14, 15, 16) and some of
使用(6-苯基-哒嗪-3-基)肼(1)和2-乙氧基亚甲基丙二腈形成了1-(6-苯基-哒嗪-3-基)-吡唑衍生物2的新型β-氨基腈。的β -enaminonitrile衍生物2是反过来用作1-(6-苯基-哒嗪-3-基)-pyrazoles制备(前体3,9,11),1-(6-苯基-哒嗪-3-基) -吡唑并[3,4- d ]嘧啶(4,5,6,7,8,13,14,15,16)以及它们的一些相应的N-无环核苷(的17,18)。所有合成的化合物是为它们的抗微生物的评估测试,和化合物3,9,17,和18显示出比其他测试的化合物和一些已知的药物(旁观者)更显著活性。