Ultrasonic-assisted synthesis of 1,4-disubstituted 1,2,3-triazoles via various terminal acetylenes and azide and their quorum sensing inhibition
作者:Da-wei Zhang、Yu-min Zhang、Jing Li、Tian-qi Zhao、Qiang Gu、Feng Lin
DOI:10.1016/j.ultsonch.2016.12.011
日期:2017.5
An efficient synthesis of 1,4-disubstituted 1,2,3-triazole derivatives was studied. 1,4-Disubstituted 1,2,3-triazoles containing isoxazole and thymidine structures were synthesized in 84-96% yields starting from various terminal isoxazole ether alkynes and β-thymidine azide derivatives via a 1,3-dispolar cycloaddition using copper acetate, sodium ascorbate as the catalyst under ultrasonic assisted
研究了1,4-二取代的1,2,3-三唑衍生物的有效合成。由各种末端异恶唑醚炔烃和β-胸苷叠氮化物衍生物经1,3非极性环加成,使用乙酸铜合成了含异恶唑和胸苷结构的1,4-二取代的1,2,3-三唑,产率为84-96%。超声辅助条件下抗坏血酸钠作为催化剂。所有目标化合物均通过HRMS,FT-IR,1H NMR和13C NMR光谱表征。此外,基于化合物紫罗兰色杆菌(C. Violaceum CV026)抑制紫罗兰素产生,用化合物C10-HSL作为阳性对照,评估了合成化合物的群体感应抑制活性。化合物8a,8c和8f对紫精的产生具有相当大的抑制活性,