Neonicotinoids are the most widely used insecticides currently, but their nematicidal activity
was seldom reported. A series of spiro or bridged heterocyclic neonicotinoid analoges was prepared
and their nematicidal activity was evaluated. Most of the synthesized compounds showed moderate
to good nematicidal activity against Meloidogyne incognita. The investigations here provide the
novel nematicidal chemotypes which can be used as leads for further structured modifications.
Keywords: Activity, bridged, heterocyclic, nematicide, neonicotinoid, spiro.
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