Pesticidal and herbicidal polycyclic 3-aryl-pyrrolidine-2,4-dione derivatives

A polycyclic 3-arylpyrrolidine-2,4-dione derivative of the formula ##STR183## in which A represents the radical of a bicyclic system wherein the pyrrolidine nitrogen is the sole heteroatom in the resulting tricyclic system,

• X represents C.sub.1 -C.sub.6 -alkyl, halogen or C.sub.1 -C.sub.6 -alkoxy,
• Y represents hydrogen, C.sub.1 -C.sub.6 -alkyl, halogen, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.3 -halogenoalkyl,
• Z represents C.sub.1 -C.sub.6 -alkyl, halogen or C.sub.1 -C.sub.6 -alkoxy,
• n represents a number from 0-3,
• G represents the group
• --CO--R.sup.1
• in which
• R.sup.1 represents unsubstituted or halogen-substituted:
• C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, C.sub.1 -C.sub.8 -alkoxy-C.sub.2 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkylthio-C.sub.2 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -polyalkoxyl-C.sub.2 -C.sub.8 -alkyl or cycloalkyl which has 3-8 ring atoms and which can be interrupted by oxygen and/or sulphur atoms, or represents phenyl which is unsubstituted or substituted by halogen, nitro, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -halogenoalkyl or C.sub.1 -C.sub.6 -halogenoalkoxy;
• or represents phenyl-C.sub.1 -C.sub.6 -alkyl, unsubstituted or substituted by halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy, C.sub.1 -C.sub.6 -halogenoalkoxy, or represents pyridyl, pryimidyl, thiazolyl or pyrazolyl which is unsubstituted or substituted by halogen and/or C.sub.1 -C.sub.6 -alkyl, or represents phenoxy-C.sub.1 -C.sub.6 -alkyl, unsubstituted or substituted by halogen and/or C.sub.1 -C.sub.6 -alkyl, or represents pyridyloxy-C.sub.1 -C.sub.4 -alkyl, pyrimidinyloxy-C.sub.1 -C.sub.4 -alkyl, thiazolyloxy-C.sub.1 -C.sub.4 -alkyl.

A polycyclic 3-arylpyrrolidine-2,4-dione derivative of the formula ##STR184## in which A represents the radical of a bicyclic system wherein the pyrrolidine nitrogen is the sole heteroatom in the resulting tricyclic system,

• X represents C.sub.1 -C.sub.6 -alkyl, halogen or C.sub.1 -C.sub.6 -alkoxy,
• Y represents hydrogen, C.sub.1 -C.sub.6 -alkyl, halogen, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.3 -halogenoalkyl,
• Z represents C.sub.1 -C.sub.6 -alkyl, halogen or C.sub.1 -C.sub.6 -alkoxy,
• n represents a number from 0-3,
• G represents the group ##STR185## in which L and M in each case represents oxygen and/or sulphur,
• R.sup.2 represents unsubstituted or halogen-substituted C.sub.1 -C.sub.20 -alkyl, C.sub.2 -C.sub.20 -alkenyl, C.sub.1 -C.sub.8 -alkoxy-C.sub.2 -C.sub.8 -alkyl or C.sub.1 -C.sub.8 -polyalkoxy-C.sub.2 -C.sub.8 -alkyl, or represents phenyl or benzyl, unsubstituted or substituted by halogen, nitro, C.sub.1 -C.sub.6 -alkyl, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.6 -halogenoalkyl,

A polycyclic 3-arylpyrrolidine-2,4-dione derivative of the formula ##STR186## in which A represents the radical of a bicyclic system wherein the pyrrolidine nitrogen is the sole heteroatom in the resulting tricyclic system,

• X represents C.sub.1 -C.sub.6 -alkyl, halogen or C.sub.1 -C.sub.6 -alkoxy,
• Y represents hydrogen, C.sub.1 -C.sub.6 -alkyl, halogen, C.sub.1 -C.sub.6 -alkoxy or C.sub.1 -C.sub.3 -halogenoalkyl,
• Z represents C.sub.1 -C.sub.6 -alkyl, halogen or C.sub.1 -C.sub.6 -alkoxy,
• n represents a number from 0-3,
• G represents the group ##STR187## in which L represents oxygen and/or sulphur, and
• R.sup.4 and R.sup.5 independently of one another represent C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkoxy, C.sub.1 -C.sub.8 -alkylamino, di-(C.sub.1 -C.sub.8)-alkylamino, C.sub.1 -C.sub.8 -alkylthio, C.sub.2 -C.sub.5 -alkenylthio, C.sub.2 -C.sub.5 -alkinylthio or C.sub.3 -C.sub.7 -cycloalkylthio, each of which is unsubstituted or substituted by halogen, or represents phenyl, phenoxy or phenylthio, each of which is unsubstituted or substituted by halogen, nitro, cyano, C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -halogenoalkoxy, C.sub.1 -C.sub.4 -alkylthio, C.sub.1 -C.sub.4 -halogenoalkylthio, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -halogenoalkyl.