Substituted pyrido (2,3-d) pyrimidines as antidotes

摘要: Abstract of the Disclosure: Herbicides containing at least one substituted pyrido[2,3-d]pyrimidine I where R1 and R2 are each hydrogen; unsubstituted or alkyl; alkoxy; haloalkoxy; alkylamino; alkenyl; alkynyl; cycloalkyl; aryl heteroaryl; R3 is hydroxyl; amino; halogen; alkylthio; alkoxycarbonyl a radical R1; R4 CN; NO2; COOH; CSOH; SO2-R5; C(=X)-R7; C(=Y)-R8, R7-C(YR9)-ZR10; R5 pyrrolidin-1-yl; piperidin-1-yl; morpholin-1-yl; alkylcarbonyloxy; alkylsulfonyloxy; aryloxy, arylamino, benzyloxy, benzylamino, aroyloxy phenylsulfonyloxy; N(R12)-SO2-NR13; N(R12)-CO-R14; N(R12)-CS-R14; plant-tolerated salt those compounds in which substituents to an acidic basic group, herbicidal active ingredient selected from A) group consisting cyclohexenone derivatives II, B) 2-(heteroaryloxy)- 2-(4-aryloxy)-phenoxycarboxylic acid derivative III.