Pesticidal O-ethyl-S-n-propyl-O[pyrazolo(1,5-a)-pyrimidin-(2) yl]-thionothiolphosphoric acid esters
AssigneeBayer Aktiengesellschaft
InventorsReimer Colln, Hans-Jochem Riebel, Ingeborg Hammann, Bernhard Homeyer
Life of this patent
Estimating the term…
Abstract
O-Ethyl-S-n-propyl-O-[pyrazolo(1,5a)-pyrimidin(2)-yl]-thionothiolphosphoric acid esters of the formula ##STR1## in which R is hydrogen or halogen, R.sub.1 is alkyl with 1 to 5 carbon atoms or hydrogen, R.sub.2 is hydrogen, halogen or acetyl, and R.sub.3 is hydrogen, alkyl with 1 to 4 carbon atoms or carbalkoxy with 1 to 4 carbon atoms in the alkyl radical, Which possess arthropodicidal and nematicidal properties.
Claims10
An O-ethyl-S-n-propyl-O-[pyrazolo(1,5-a)pyrimidin(2)yl]-thionothiolphosphoric acid ester of the formula ##STR38## in which R is hydrogen or halogen,
- R.sub.1 is hydrogen or alkyl with 1 to 5 carbon atoms,
- R.sub.2 is hydrogen, halogen or acetyl, and
- R.sub.3 is hydrogen, alkyl with 1 to 4 carbon atoms or carbalkoxy with 1 to 4 carbon atoms in the alkyl radical.
Dependencies are inferred from the claim text.