[Aims]The aim of this study is to discover novel insecticidal lead compound.[Methods]Introducing N-alkoxy structural fragments into broflanilide for the first time by the active substructure splicing method,23 novel diamide compounds never reported in the literature were designed and synthesized.[Results]The structures of the title compounds were confirmed by 1H NMR and HRMS.Some of them had excellent insecticidal activity against Plutella xylostella and Mythimna separata.Especially,compounds 1j,1s and 1t exhibited at least 90％mortality agains...
