Pyrimidine (4,6)diyl-bis-(thiono)(thiol)-phosphoric(phosphonic)acid esters
AssigneeBayer Aktiengesellschaft
InventorsFritz Maurer, Hans-Jochem Riebel, Ingeborg Hammann, Wolfgang Behrenz, Bernhard Homeyer
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Abstract
Pyrimidine (4,6)diyl-bis-(thiono)(thiol)-phosphoric (phosphonic) acid esters of the formula ##STR1## in which R is alkyl with 1 to 6 carbon atoms, R.sub.1 is alkyl, alkoxy or alkylmercapto each with 1 to 6 carbon atoms or phenyl, R.sub.2 is alkyl, alkoxy or alkylmercapto each with 1 to 5 carbon atoms, hydrogen or phenyl, R.sub.3 is hydrogen, alkyl with 1 to 4 carbon atoms or halogen, and X is oxygen or sulfur, Which possess insecticidal and acaricidal properties.
Claims10
A pyrimidine (4,6)diyl-bis-(thiono) (thiol)-phosphoric (phosphonic) acid ester of the formula ##STR271## in which R is alkyl with 1 to 6 carbon atoms,
- R.sub.1 is alkyl, alkoxy or alkylmercapto each with 1 to 6 carbon atoms or phenyl,
- R.sub.2 is alkyl, alkoxy or alkylmercapto each with 1 to 5 carbon atoms, hydrogen or phenyl,
- R.sub.3 is hydrogen, alkyl with 1 to 4 carbon atoms or halogen, and
- X is oxygen or sulfur.
Dependencies are inferred from the claim text.