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Compounds, acids, esters and salts imidazolinilbenzoicos and process for control of species of plants indesejaveis with said compounds and process for the preparation of these compounds.
Compounds, acids, esters and salts imidazolinilbenzoicos and process for control of species of plants indesejaveis with said compounds and process for the preparation of these compounds.
Compounds of formulae I and III which show activity as pre- and post- emergence herbicidal agents. IMAGE wherein X is hydrogen, alkyl C1-C3, halogen or nitro; R1 is alkyl C1-C4; R2 is alkyl C1-C6, cycloalkyl C3-C6, alkenyl C2-C4, phenyl, halophenyl or benzyl or when R1 and R2 are taken together with the carbon to which they are attached they may represent cycloalkyl C3-C6 optionally substituted with methyl; R3 is hydrogen, alkyl C1-C12 optionally substituted with one C1-C3 alkoxy group or one C3-C6 cycloalkyl group or one phenyl group or one furyl group or with one to three halogen substituent(s) preferably chlorine, alkenyl C3-C5 optionally substituted with one or two C1-C3 alkyl group(s) or one phenyl group with one to two halogen substituent(s) preferably chlorine, alkynyl C3-C5 optionally substituted with one or two C1-C3 alkyl group(s) or one phenyl group or with one to two halogen substituents preferably chlorine, benzyl, cyclohexenylmethyl, ethynylcyclohexyl, ethynylalkyl, pentadienyl or cycloalkyl C3-C6 optionally substituted with one or two C1-C3 alkyl group(s); or a salt formation cation of alkali metals, ammonium and aliphatic ammonium; and when R1 and R2 are not the same the optical isomers and the isomeric mixtures thereof; and except when R3 is a salt-forming cation, the acid addition salts thereof. - and - IMAGE wherein R1 is alkyl C1-C4; R2 is alkyl C1-C6, cycloalkyl C3-C6, alkenyl C2-C4, phenyl, halophenyl or benzyl; and when R1 and R2 are taken together with the carbon to which they are attached they may form cycloalkyl C3-C6 optionally substituted with methyl; R3 and R4 each individually represent hydrogen, alkyl C1-C4, alkenyl C3-C5, alkynyl C3-C5, or benzyl; and when R1 and R2 represent different substituents, the optical isomers thereof.
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