Cyclopaldic Acid, Seiridin, and Sphaeropsidin A as Fungal Phytotoxins, and Larvicidal and Biting Deterrents against<i>Aedes aegypti</i>(Diptera: Culicidae): StructureActivity Relationships
作者:Alessio Cimmino、Anna Andolfi、Fabiana Avolio、Abbas Ali、Nurhayat Tabanca、Ikhlas A. Khan、Antonio Evidente
DOI:10.1002/cbdv.201200358
日期:2013.7
mosquito biting deterrent activities and 1 and 4 demonstrated larvicidal activities, further structureactivity relationship studies were initiated on these toxins. In biting-deterrence bioassays, 1, 2, 4, and 5, 3,8-didansylhydrazone of cyclopaldic acid, 1F, 5-azidopentanoate of cyclopaldic acid A, 1G, the reduced derivative of cyclopaldic acid, 1 H, isoseiridin (3), 2'-O-acetylseiridin (2A), 2'-oxoseiridin
埃及伊蚊是导致登革热(人类最具破坏力的疾病之一)的虫媒病毒的主要载体。通过对真菌植物毒素的初步筛选,评估了环paldic acid(1),seiridin(2),sphaeropsidin A(4)和papyillillic acid(5)的抗Ae杀虫力和杀幼虫活性。由于化合物1、2、4和5表现出蚊咬性的威慑活性,而化合物1和4表现出杀幼虫活性,因此对这些毒素进行了进一步的结构活性关系研究。在耐咬性生物测定中,环戊酸1F的1、2、4和5、3,8-二丹酰hydr,环己酸A的5-叠氮戊酸1G,环戊酸的还原衍生物1 H,异丝氨酸(3) ,2'-O-乙酰丝氨酸(2A),2'-氧丝氨酸(2C),6-O-乙酰球菌素A(4A),8 14-甲基香豆素A甲酯(4B)和香豆素B(4C)的活性高于溶剂对照。鞘菌素B(4C)是活性最高的化合物,其次是2A,而其他化合物的活性较低。化合物4C的防咬活性在统计学上与D