作者:Stefan Schulz、Jürgen Gross、Monika Hilker
DOI:10.1016/s0040-4020(97)00618-2
日期:1997.7
The larvae of the European leaf beetle Chrysomela lapponica use esters of isobutyric acid and (S)-2-methylbutyric acid as defensive secretion. The acids are formed by the larvae from amino acids, as could be shown by experiments with labelled compounds. The alcohols taken up from the foodplant are either directly used for ester formation, like (Z)-3-hexenol (3) and 8-hydroxylinalool (1), or modified
欧洲叶甲虫Chrysomela lapponica的幼虫使用异丁酸和(S)-2-甲基丁酸的酯作为防御性分泌物。酸是由幼虫由氨基酸形成的,如标记化合物的实验所示。从食用植物中吸收的醇可直接用于酯形成,如(Z)-3-己烯醇(3)和8-羟基芳樟醇(1),或改性为1-羟基-3-己酮(5),在酯化之前将其还原成相应的二醇2。在叶片上取食过程中,各个糖苷的裂解或脂肪酸的氧化导致产生这些醇。酮醇5 和它的异构体6-羟基-3-己酮从自然界还未被报道过。