Organophosphoric acid ester anhydrides as pesticides
US4421750A · kind A · utility
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Key dates
| Filing date | Mar 2, 1982 |
| Grant date | Dec 20, 1983 |
| Priority date | — |
| Expiry date | Mar 2, 2002 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/245
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
New organophosphoric acid ester anhydride derivatives, more particularly new thiopyrophosphoric acid P,P,P'-trialkylester-P'-dialkylamide of the formula ##STR1## wherein R.sub.1 is an alkyl group of 3 to 6 carbon atoms and R.sub.2, R.sub.3 and R.sub.4 may be the same or different from each other and each are an alkyl group of 1 to 6 carbon atoms are now provided. These new organophosphoric acid ester anhydride derivatives have high insecticidal, miticidal and nematocidal activities and are useful as an insecticidal, miticidal and nematocidal agent.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.