Herbicidal compositions
AssigneeHoechst Aktiengesellschaft
InventorsWerner Becker, Peter Langeluddeke, Heinrich Leditschke, Helmut Nahm, Friedhelm Schwerdtle
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AssigneeHoechst Aktiengesellschaft
InventorsWerner Becker, Peter Langeluddeke, Heinrich Leditschke, Helmut Nahm, Friedhelm Schwerdtle
Estimating the term…
Compounds of the formula I ##SPC1## in which R represents hydrogen, halogen, alkyl having 1 to 4 carbon atoms, alkoxy and alkylthio having 1 to 4 carbon atoms, cyclohexyl, cyclopentyl, and phenyl, R.sup.1 represents hydrogen, halogen, alkyl having 1 to 4 carbon atoms, and alkenyl having 2 to 4 carbon atoms, X and Y each are oxygen or sulfur, R.sup.2 represents hydrogen, alkyl having 1 to 10 carbon atoms, alkoxyalkyl having 2 to 6 carbon atoms, alkyl-amino having 2 to 4 carbon atoms, or phenyl, R.sup.3 represents hydrogen or alkyl having 1 to 4 carbon atoms, R.sup.4 represents hydroxyl, --O-alkyl having 1 to 10 carbon atoms, --S-alkyl having 1 to 6 carbon atoms, --O-- alkenyl having 2 to 4 carbon atoms, --O-cyclohexyl, --O-cyclopentyl, a phenoxy or phenylthio radical optionally substituted once or twice with halogen; --NH.sub.2, --NH-alkyl having 1 to 4 carbon atoms, --N,N-dialkyl or ##EQU1## HAVING 1 TO 4 CARBON ATOMS IN EACH ALKYL GROUP, A --NH-phenyl radical substituted with halogen, --CF.sub.3, --OCF.sub.2 CF.sub.2 H, or --COOCH.sub.3, or --O-benzyl, or --NH-benzyl, or --S-benzyl, or --O-cat. wherein cat. stands for the cation of an inorganic or organic base, are valuable selective herbicides.
A method for combatting weed grasses in plantings of cereal and dicotylendenous crops which comprises applying to the planting site an effective concentration of a herbicidal composition containing as the active ingredient from about 2 to about 95 percent of a compound of the formula ##SPC8##
Dependencies are inferred from the claim text.