O-pyrazolopyrimidine-(thiono)-phosphoric(phosphonic) acid esters
US3950337A · kind A · utility
2Cited by
4References
7Claims
0Family size
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Key dates
| Filing date | Aug 8, 1973 |
| Grant date | Apr 13, 1976 |
| Priority date | — |
| Expiry date | Aug 8, 1993 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC07F9/6561
- WIPO fieldOrganic fine chemistry
- WIPO sectorChemistry
Abstract
O-pyrazolopyrimidine-(thiono)-phosphoric (phosphonic) acid esters of the formula ##SPC1## In which PA1 R.sub.1 is alkyl of 1 to 6 carbon atoms, PA1 R.sub.2 is alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 6 carbon atoms or phenyl, PA1 R.sub.3 is hydrogen, chlorine or bromine, and PA1 X denotes oxygen or sulfur, which possess insecticidal and acaricidal properties.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.