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Nitromethylene neonicotinoids 1 were recently found in our laboratory as new insecticidal leading structure possessing higher activities against imidacloprid-resistant brown planthopper than imidacloprid.Due to their instability arising from the dehydration of 2-hydroxyl group, we envisaged that a more stable tetrahydroimidazolpyridinone 2 might be a potential skeleton as potent insecticide.