Discovery of evodiamine derivatives as potent insecticide candidates
作者:Jingbo Liu、Yabing Shi、Shuting Chen、Fengyun Li、Wen Wen、Yuanhong Wang
DOI:10.1016/j.bmc.2022.116727
日期:2022.5
search for novel more effective insecticides, natural products could be used as ideal template compounds due to their good environmental compatibility, various bioactivities, unique scaffolds and mode of action. We have found that natural product evodiamine, the main active component from the fruits of Evodia rutaecarpa (Juss.) Benth, displayed obvious insecticidal activities against lepidoptera pests
1,3-Dipolar Cycloaddition−Decarboxylation Reactions of an Azomethine Ylide with Isatoic Anhydrides: Formation of Novel Benzodiazepinones
作者:Nadia Spiccia、Jose Basutto、Pawel Jokisz、Leon S.-M. Wong、Adam G. Meyer、Andrew B. Holmes、Jonathan M. White、John H. Ryan
DOI:10.1021/ol102824k
日期:2011.2.4
substituted isatoicanhydrides to afford novel 1,3-benzodiazepin-5-one derivatives, which are generally isolated in high yield. The transformations involve 1,3-dipolar cycloaddition reactions of the ylide with the anhydrides to give transient, and in a representative case spectroscopically observable, oxazolidine intermediates that undergo ring-opening−decarboxylation−ring-closing reaction cascades to