Novel Dialkylpiperidines in the Venom of the Ant Monomorium delagoense

Abstract
New 2,6-dialkylpiperidines found in the venom of the ant Monomorium delagoense include cis- and trans-2,6-di(4-pentenyl)-piperidine [2], cis- and trans-2-(4-pentenyl)-6-pentylpiperidine [4], and cis- and trans-2-(6-heptenyl)-6-(4-pentenyl)-piperidine [7], whose structures were confirmed by synthesis. These compounds possess insecticidal and repellent properties.