Larvicidal activity of single and macrocyclic tyrosine derivatives against three important vector mosquitoes
作者:Rodolfo Quevedo、Nelson Nuñez-Dallos、Martha L. Quiñones
DOI:10.1007/s11164-014-1630-9
日期:2015.8
The larvicidal activity of several phenylethylamines derived from l-tyrosine against larvae of the mosquito species Anopheles albimanus, Aedes aegypti, and Culex quinquefasciatus was studied. The results showed that the phenylethylamine nucleus present in different organic compounds with larvicidal activity has moderate larvicidal activity in itself, that the phenolic hydroxyl group is not decisive in larvicidal activity, that macrocyclic amino acids have activity comparable to or less than that observed for simple phenylethylamines, that the hydrocarbon chain on the carboxyl group affects the larvicidal activity, and that intermolecular interactions are crucial to the larvicidal activity of phenylethylamines, which is a new aspect to consider in the design of alternative, environmentally friendly insecticides for vector control with importance for public health. This paper presents a possible structure–larvicidal activity relationship for phenylethylamines with potential to guide the rational search for new nitrogen compounds useful for control of diseases borne by mosquito vectors.
研究了从 l-酪氨酸中提取的几种苯乙胺对白疟蚊、埃及伊蚊和库蚊幼虫的杀幼虫活性。结果表明,具有杀幼虫活性的不同有机化合物中的苯乙胺核本身具有适度的杀幼虫活性,酚羟基对杀幼虫活性不起决定性作用,大环氨基酸的活性与单苯乙胺相当或更低、羧基上的碳氢链会影响杀幼虫剂的活性,分子间的相互作用对苯乙胺的杀幼虫剂活性至关重要,这是在设计用于病媒控制的替代性环境友好型杀虫剂时需要考虑的一个新方面,对公共卫生具有重要意义。本文提出了苯乙胺可能的结构-杀幼虫活性关系,有望指导合理寻找新的氮化合物,用于控制蚊媒传播的疾病。