Photoactive bithienyl pesticides
US4939165A · kind A · utility
Inventors
Key dates
| Filing date | Feb 28, 1989 |
| Grant date | Jul 3, 1990 |
| Priority date | — |
| Expiry date | Feb 28, 2009 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/655345
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
Bithienyl compounds of the following structural formula are phototoxic insecticides and acaricides: ##STR1## wherein R.sub.1 is selected from hydrogen, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, haloalkenoxy, phenyl, phenoxy, nitro, alkylsulfinyl, alkylsulfonyl, and alkylthio provided R.sub.4 is other than hydrogen; PA0 R.sub.2 is selected from hydrogen and halogen, or R.sub.1 and R.sub.2 at adjacent positions are joined to form C.sub.4 H.sub.4 ; PA0 R.sub.3 is selected from hydrogen, alkyl, thienyl, and phenyl optionally substituted with alkyl, alkoxy, or 1-2 halogen; and PA0 R.sub.4 is selected from hydrogen, halogen, alkyl, haloalkyl, alkoxy, alkylthio, alkylsulfinyl, haloalkenylthio, formyl, alkylcarbonyl, alkoxycarbonyl, phenylcarbonyl, dialkylphosphono, and nitro.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.