Herbicidally active 3-phenylisoxazoline-5-carboxamides of tetrahydro and dihydrofuran carboxylic acids and esters

A 3-phenylisoxazoline-5-carboxamide or -5-thioamide of formula (I)

• and/or an agrochemically acceptable salt thereof wherein
• R1 and R2 independently of one another represent hydrogen, fluorine, chlorine or cyano,
• or
• represent (C1-C3)-alkyl or (C1-C3)-alkoxy, each of which is substituted by m radicals from the group consisting of fluorine, chlorine, bromine and cyano;
• R3 represents (C1-C4)-alkyl, (C3-C5)-cycloalkyl, (C2-C4)-alkenyl, (C2-C4)-alkynyl or (C1-C4)-alkoxy, each of which is substituted by m radicals from the group consisting of fluorine, chlorine, bromine, cyano, (C1-C4)-alkoxy and hydroxy;
• R4 represents hydrogen,
• or
• represents (C1-C12)-alkyl, (C3-C7)-cycloalkyl, (C3-C7)-cycloalkyl-(C1-C8)-alkyl, (C2-C6)-alkenyl, (C5-C6)-cycloalkenyl or (C2-C8)-alkynyl, each of which is substituted by m radicals from the group consisting of halogen, cyano, (C1-C6)-alkoxy, hydroxy and aryl;
• Y represents oxygen or sulfur;
• W represents oxygen or sulfur;
• Z represents a fully saturated or partially saturated furan ring which is substituted by k radicals from R5,
• where the arrow in each case denotes a bond to the group C═W of formula (I);
• R5 represents fluorine, chlorine, cyano or CO2R7,
• or
• represents (C1-C2)-alkyl or (C1-C2)-alkoxy, each of which is substituted by m radicals from the group consisting of fluorine and chlorine;
• X2, X4 and X6 independently of one another each represent hydrogen, fluorine, chlorine, bromine or cyano,
• or
• represent (C1-C2)-alkyl, in each case substituted by m radicals from the group consisting of fluorine, chlorine, bromine and (C1-C2)-alkoxy;
• X3 and X5 independently of one another represent hydrogen, fluorine, chlorine, bromine, iodine, hydroxy, cyano, nitro, S(O)nR6 or CO2R7,
• or
• represent (C1-C3)-alkyl, (C1-C3)-alkoxy, (C3-C4)-cycloalkyl, (C2-C3)-alkenyl or (C2-C3)-alkynyl, each of which is substituted by m radicals from the group consisting of fluorine, chlorine and bromine;
• R6 represents (C1-C2)-alkyl or (C3-C4)-cycloalkyl, each of which is substituted by m radicals from the group consisting of fluorine and chlorine;
• R7 represents hydrogen,
• or
• represents (C1-C3)-alkyl or (C3-C5)-cycloalkyl, each of which is substituted by m radicals from the group consisting of fluorine, chlorine and (C1-C2)-alkoxy;
• k represents 0, 1 or 2;
• m represents 0, 1, 2, 3, 4 or 5;
• and
• n represents 0, 1 or 2.