S-Aryl S-(tertiary alkyl) alkylphosphonodithioate insecticides and nematocides
AssigneeRhone-Poulenc Agrochimie
InventorMohamed A. Fahmy
Life of this patent
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Abstract
Compounds having the formula ##STR1## in which R is alkyl of 1 to 8 carbon atoms, haloalkyl of 1 to 8 carbon atoms, alkenyl of 2 to 8 carbon atoms, haloalkenyl of 2 to 8 carbon atoms, alkynyl of 2 to 8 carbon atoms or haloalkynyl of 2 to 8 carbon atoms; R.sub.1 is aryl; R.sub.2 is tertiary alkyl of 4 to 8 carbon atoms; are disclosed as well as their use as insecticides and nematocides, e.g., in controlling Corn rootworm and Southern Armyworm.
Claims16
A method for controlling insects or nematodes which comprises applying thereto or to their habitat, in an amount pesticidal to said insects or nematodes, a compound of the formula ##STR5## in which R is alkyl of 1 to 8 carbon atoms, haloalkyl of 1 to 8 carbon atoms, alkenyl of 2 to 8 carbon atoms, haloalkenyl of 2 to 8 carbon atoms, alkynyl of 2 to 8 carbon atoms or haloalkynyl of 2 to 8 carbon atoms;
- R.sub.1 is phenyl or phenyl substituted with 1 or more members selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, Cl, Br, F, nitro, cyano, and trifluoromethyl;
- and
- R.sub.2 is tertiary alkyl of 4 to 8 carbon atoms.
A method for controlling Corn rootworm which comprises providing in the soil, in an amount pesticidal to Corn rootworm, a compound of the formula ##STR6## in which R is alkyl of 1 to 8 carbon atoms, haloalkyl of 1 to 8 carbon atoms, alkenyl of 2 to 8 carbon atoms, haloalkenyl of 2 to 8 carbon atoms, alkynyl of 2 to 8 carbon atoms, or haloalkynyl of 2 to 8 carbon atoms;
- R.sub.1 is phenyl or phenyl substituted with 1 or more members selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, Cl, Br, F, nitro, cyano and trifluoromethyl;
- and
- R.sub.2 is tertiary alkyl of 4 to 8 carbon atoms.
A compound of the formula ##STR7## in which R is alkyl of 1 to 8 carbon atoms, haloalkyl of 1 to 8 carbon atoms, alkenyl of 2 to 8 carbon atoms, haloalkenyl of 2 to 8 carbon atoms, alkynyl of 2 to 8 carbon atoms or haloalkynyl of 2 to 8 carbon atoms;
- R.sub.1 is phenyl or phenyl substituted with 1 or more members selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, Cl, Br, F, nitro, cyano, and trifluoromethyl;
- and
- R.sub.2 is tertiary alkyl of 4 to 8 carbon atoms.
A composition for use in controlling insects or nematodes comprising, as the active ingredient, a compound of the formula ##STR8## in which R is alkyl of 1 to 8 carbon atoms, haloalkyl of 1 to 8 carbon atoms, alkenyl of 2 to 8 carbon atoms, haloalkenyl of 2 to 8 carbon atoms, alkynyl of 2 to 8 carbon atoms or haloalkynyl of 2 to 8 carbon atoms;
- R.sub.1 is phenyl or phenyl substituted with 1 or more members selected from the group consisting of alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, alkylthio of 1 to 4 carbon atoms, alkylsulfinyl of 1 to 4 carbon atoms, alkylsulfonyl of 1 to 4 carbon atoms, Cl, Br, F, nitro, cyano, and trifluoromethyl;
- and
- R.sub.2 is tertiary alkyl of 4 to 8 carbon atoms, in an amount effective as an insecticide or nematocide;
- and an inert, non-phytotoxic organic solvent or solid carrier.
Dependencies are inferred from the claim text.