机构地区: 郧阳师范专科学校化学系
出 处: 《湖南师范大学自然科学学报》 2006年第2期68-71,共4页
摘 要: 4-吡啶苯甲酰肼(1)与芳香醛缩合得到酰腙(2a^2h),而后2a^2h与丙酸酐环合,以良好的收率合成出2-芳基-3-N-丙酰基-5-(4-吡啶基)-1,3,4-口恶唑啉类衍生物(3a^3h),并通过元素分析,IR,1H NMR和MS对3a^3h的结构进行了表征.初步的抗菌试验表明,部分目标化合物表现出较好的抑菌活性. Condensation of 4-picolinyl hydrazine (1) with aromatic aldehydes produced corresponding hydrazones (2a - 2h). Cyclization of 2a - 2h with propanoic anhydride gave the title compounds 3a - 3h in good yield. The structures of 3a - 3h were characterized by elementary analyses, IR, 1H NMR, and MS spectroscopy. The preliminary antibacterial tests showed that most of them had good antibacterial activities.