7-Aryloxy-2-naphthyloxyalkane carboxcylic acid derivatives, process for the preparation of these compounds and compositions having herbicidal action containing them

摘要

The invention relates to 7-aryloxy-2-naphthyloxy alkanecarboxylic acid derivatives of the general formula <IMAGE> in which Z denotes hydrogen, halogen, a C1-C4-alkyl radical, a trihalomethyl radical or a cyano group, W denotes hydrogen, halogen, a C1-C4-alkyl radical, a trihalomethyl radical or a cyano group, X denotes a CH group, a C-halogen group or an N atom, R1 denotes hydrogen, a C1-C4-alkyl radical or a halogen-substituted C1-C4-alkyl radical, R2 denotes hydrogen, a C1-C4-alkyl radical or a halogen-substituted C1-C4-alkyl radical, Y denotes a radical UR3 in which U denotes an oxygen or a sulphur atom and R3 (lacuna) a C1-C18-alkyl radical, a C1-C18-alkyl radical which is substituted by halogen or cyano or interrupted one or more times by oxygen or sulphur atoms, a C3-C12-alkenyl radical, a C3-C12-alkynyl radical, a C3-C12-cycloalkyl radical, a phenyl radical, a phenyl radical which is monosubstituted or polysubstituted by halogen, C1-C4-alkyl, C1-C4-alkoxy, C1-C4-alkylthio, nitro, cyano or trifluoromethyl, a benzyl radical, a benzyl radical which is monosubstituted or polysubstituted by halogen, C1-C4-alkylthio, nitro, cyano or trifluoromethyl, a 5- to 6-membered heterocyclic radical or hydrogen, an alkali metal atom, an appropriate equivalent of a divalent metal or an ammonium group <IMAGE> where R4, R5, R6 and R7 in each case ... Original abstract incomplete.