Identification and Enantiodivergent Synthesis of (5<i>Z</i>,9<i>S</i>)-Tetradec-5-en-9-olide, a Queen-Specific Volatile of the Termite<i>Silvestritermes minutus</i>
作者:Aleš Machara、Jan Křivánek、Klára Dolejšová、Jana Havlíčková、Lucie Bednárová、Robert Hanus、Pavel Majer、Pavlína Kyjaková
DOI:10.1021/acs.jnatprod.8b00632
日期:2018.10.26
contact recognition based on cuticular hydrocarbons, long-range signals mediated by volatiles are expected to participate in queen signaling, especially in populous colonies of higher termites (Termitidae). In queens of the higher termite Silvestritermes minutus (Syntermitinae), we have detected a previously undescribed volatile. It is present in important quantities on the body surface and in the headspace
社交昆虫的女王在生理学的许多方面与不育群体成员不同。除了与繁殖专长相关的改编和延长寿命外,皇后区还通过生产外分泌化学物质向巢穴发出信号来维持其生殖优势。蚁后特定线索在化学上的化学知识很少。除了基于表皮碳氢化合物的接触识别外,预计由挥发物介导的远程信号也会参与信号传递,特别是在高等白蚁(Termitidae)的种群中。在较高的白蚁Silvestritermes minutus(Syntermitinae)的皇后区,我们检测到先前未描述的挥发物。它大量存在于体表和顶空,卵巢,和体腔。MS和GC-FTIR数据分析使我们提出了该化合物的结构,该化合物应为大环内酯10-戊基-3,4,5,8,9,10-六氢-2 H-恶臭辛-2-酮。从对映纯(S)-甲苯磺酸缩水甘油酯开始,我们进行了两种可能的对映异构体的对映异构合成。合成序列涉及用钌清除剂淬灭的大环内酯封闭复分解。将该化合物的绝对和相对构型指定为(5 Z,9