US 11,970,489 B1
4-[(substituted 1H-benzimidazol-2-ylsulfanyl)methyl]-6-substituted-2H-chromen-2-ones as larvicidal agents
Katharigatta N. Venugopala, Al-Ahsa (SA); Osama I. Alwassil, Al-Ahsa (SA); Pran Kishore Deb, Al-Ahsa (SA); Rashmi Venugopala, Al-Ahsa (SA); Priya R. Kadam, Al-Ahsa (SA); Yadav D. Bodke, Al-Ahsa (SA); and Vijaykumar Uppar, Al-Ahsa (SA)
Assigned to KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed by KING FAISAL UNIVERSITY, Al-Ahsa (SA)
Filed on Oct. 23, 2023, as Appl. No. 18/382,697.
Int. Cl. A01P 7/04 (2006.01); C07D 405/12 (2006.01); C07D 413/12 (2006.01); C07D 417/12 (2006.01)
CPC C07D 417/12 (2013.01) [A01P 7/04 (2021.08); C07D 405/12 (2013.01); C07D 413/12 (2013.01)] 18 Claims
 
1. A method of killing larva comprising applying to said larva or to a target site of insect infestation a larvicidal effective amount of a compound having the formula I:

OG Complex Work Unit Chemistry
wherein:
R1 is selected from the group consisting of CH3 and C(CH3)3; and
R2 is selected from the group consisting of an optionally substituted benzimidazole, an optionally substituted benzoxazole, an optionally substituted benzothiazole, and an optionally substituted thiadiazole.