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- Title
Mesoionic insecticides: a novel class of insecticides that modulate nicotinic acetylcholine receptors.
- Authors
Holyoke, Caleb W; Cordova, Daniel; Zhang, Wenming; Barry, James D; Leighty, Robert M; Dietrich, Robert F; Rauh, James J; Pahutski, Thomas F; Lahm, George P; Tong, My Hanh Thi; Benner, Eric A; Andreassi, John L; Smith, Rejane M; Vincent, Daniel R; Christianson, Laurie A; Teixeira, Luis A; Singh, Vineet; Hughes, Kenneth A
- Abstract
BACKGROUND As the world population grows towards 9 billion by 2050, it is projected that food production will need to increase by 60%. A critical part of this growth includes the safe and effective use of insecticides to reduce the estimated 20-49% loss of global crop yields owing to pests. The development of new insecticides will help to sustain this protection and overcome insecticide resistance. RESULTS A novel class of mesoionic compounds has been discovered, with exceptional insecticidal activity on a range of Hemiptera and Lepidoptera. These compounds bind to the orthosteric site of the nicotinic acetylcholine receptor and result in a highly potent inhibitory action at the receptor with minimal agonism. The synthesis, biological activity, optimization and mode of action will be discussed. CONCLUSION Triflumezopyrim insect control will provide a powerful tool for control of hopper species in rice throughout Asia. Dicloromezotiaz can provide a useful control tool for lepidopteran pests, with an underexploited mode of action among these pests. © 2016 Society of Chemical Industry
- Subjects
MESOIONIC compounds; INSECTICIDES; NICOTINIC acetylcholine receptors; CROP yields; INSECTICIDE resistance; INSECTS
- Publication
Pest Management Science, 2017, Vol 73, Issue 4, p796
- ISSN
1526-498X
- Publication type
Article
- DOI
10.1002/ps.4496