Patent · US Expired

Insecticidal urea substituted 2,3-dihydro- benzofuran and benzothiophene derivatives, compositions, and method of use thereof

US4636523A · kind A · utility

5Cited by
3References
11Claims
0Family size

Assignee

Inventor

Key dates

Filing dateJan 7, 1986
Grant dateJan 13, 1987
Priority date
Expiry dateJan 7, 2006

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC07D333/62
  • WIPO fieldOrganic fine chemistry
  • WIPO sectorChemistry

Abstract

Insecticidal compounds of the formula ##STR1## in which A and B are both halogen or hydrogen, or one of A and B is hydrogen, and the other of A and B is halogen; Z and W are independently O or S; the substituted benzofuranyl or benzothienyl group is attached at position 5 or 6; R is halogen; m is 0 to 3; R' is F or CF.sub.3 ; methods for their preparation and formulation, insecticidal compositions, and their use to control insects are disclosed.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.