2-aryl cyclopentane-1,3-dione derivatives

Compounds of the formula (I) ##STR246## in which X represents halogen, nitro, cyano, alkyl, alkoxy, alkenyloxy, alkylthio, alkylsulphinyl, alkylsulphonyl, halogenoalkyl or halogenoalkoxy,

• Y represents hydrogen, halogen, nitro, cyano, alkyl, alkoxy, alkenyloxy, alkylthio, alkylsulphinyl, alkylsulphonyl, halogenoalkyl or halogenoalkoxy,
• Z represents halogen, nitro, cyano, alkyl, alkoxy or halogenoalkoxy,
• n represents an integer from 0 to 3, or wherein the radicals X and Z, together with the phenyl radical to which they are bonded, form the naphthalene radical of the formula ##STR247## in which Y has the abovementioned meaning,
• A and B independently of one another represent alkyl, alkenyl, alkinyl, alkoxyalkyl, polyalkoxyalkyl or alkylthioalkyl, in each case optionally substituted once or several times in an identical or different manner by halogen, or saturated or unsaturated, unsubstituted or substituted cycloalkyl
• or
• A and B, together with the carbon atom to which they are bonded, form a saturated or unsaturated ring and is optionally substituted,
• D.sup.1 and D.sup.2 independently of one another represent hydrogen, halogen or alkyl which is optionally substituted by halogen of optionally substituted phenyl,
• G represents hydrogen (a), or represents one of the groups ##STR248## E represents a metal ion equivalent or an ammonium ion, L represents oxygen or sulphur,
• M represents oxygen or sulphur,
• R.sup.1 represents alkyl, alkenyl, alkoxyalkyl, alkylthioalkyl or polyalkoxyalkyl, in each case optionally substituted once or several times in an identical or different manner by halogen, or optionally substituted, saturated or unsaturated cycloalkyl, or represents in each case optionally substituted phenyl, phenylalkyl, phenoxyalkyl
• R.sup.2 represents alkyl, alkenyl, alkoxyalkyl or polyalkoxyalkyl, in each case optionally substituted once or several times in an identical or different manner by halogen, or in each case optionally substituted cycloalkyl, phenyl or benzyl,
• R.sup.3 represents alkyl which is in each case optionally substituted once or several times in an identical or different manner by halogen, or represents in each case optionally substituted phenyl or phenylalkyl,
• R.sup.4 and R.sup.5 independently of one another represent alkyl, alkoxy, alkylamino, alkenylamino, dialkylamino, dialkenylamino, alkylthio, alkenylthio, alkinylthio or cycloalkylthio, in each case optionally substituted once or several times in an identical or different manner by halogen, or represent in each case optionally substituted phenyl, phenoxy or phenylthio,
• R.sup.6 and R.sup.7 independently of one another represent hydrogen or alkyl, alkenyl, alkoxy or alkoxyalkyl, in each case optionally substituted once or several times in an identical or different manner by halogen, or represent optionally substituted phenyl or represent optionally substituted benzyl,
• or
• R.sup.6 and R.sup.7 together represent an alkylene radical
• and the enantiomerically pure forms of compounds or the formula (I).