Abstract: Novel 4-phenoxy-phenoxy-alkane-carboxylic acid derivatives of the formula I ##STR1## in which R.sub.1 stands for hydrogen, methylithio, cyclopentyl, cyclohexyl, phenyl, methylcycylohexyl, ethylcyclohexyl, or R.sub.1 and R.sub.3 together stand for a --CH.dbd.CH--CH.dbd.CH-- bridge or--unless at least one of the substituents R.sub.2 to R.sub.8 stands for hydrogen, or if R.sub.9 stands for a radical having at least 2 carbon atoms--for chlorine,R.sub.2 and R.sub.3, independent of one another, each stands for hydrogen, chlorine or alkyl of 1 to 4 carbon atoms,R.sub.4 stands for hydrogen, chlorine, alkyl of 1 to 4 carbon atoms, cyclopentyl, cyclohexyl, methylcyclohexyl or R.sub.3 and R.sub.4 together stand for a --CH.dbd.CH--CH.dbd.CH-- bridge,R.sub.5, R.sub.6 and R.sub.7, independent of one another, each stands for hydrogen or alkyl of 1 to 4 carbon atoms,R.sub.8 stands for hydrogen, alkyl of 1 to 4 carbon atoms or allyl,R.sub.

Abstract: Novel 4-phenoxy-phenoxy-alkane-carboxylic acid derivatives of the formula I ##STR1## in which R.sub.1 stands for hydrogen, methylthio, cyclopentyl, cyclohexyl, phenyl, methylcyclohexyl, ethylcyclohexyl, or R.sub.1 and R.sub.3 together stand for a --CH.dbd.CH--CH.dbd.CH-- bridge or--unless at least one of the substituents R.sub.2 to R.sub.8 stands for hydrogen, or if R.sub.9 stands for a radical having at least 2 carbon atoms--for chlorine,R.sub.2 and R.sub.3, independent of one another, each stands for hydrogen, chlorine or alkyl of 1 to 4 carbon atoms,R.sub.4 stands for hydrogen, chlorine, alkyl of 1 to 4 carbon atoms, cyclopentyl, cyclohexyl, methylcyclohexyl or R.sub.3 and R.sub.4 together stand for a --CH.dbd.CH--CH.dbd.CH-- bridge,R.sub.5, R.sub.6 and R.sub.7, independent of one another, each stands for hydrogen or alkyl of 1 to 4 carbon atoms,R.sub.8 stands for hydrogen, alkyl of 1 to 4 carbon atoms or allyl,R.sub.

Abstract: Novel 4-phenoxy-phenoxy-alkane-carboxylic acid derivatives of the formula I ##STR1## in which R.sub.1 stands for hydrogen, methylthio, cyclopentyl, cyclohexyl, phenyl, methylcyclohexyl, ethylcyclohexyl, or R.sub.1 and R.sub.3 together stand for a --CH.dbd.CH--CH.dbd.CH-- bridge or--unless at least one of the substituents R.sub.2 to R.sub.8 stands for hydrogen, or if R.sub.9 stands for a radical having at least 2 carbon atoms--for chlorine,R.sub.2 and R.sub.3, independent of one another, each stands for hydrogen, chlorine or alkyl of 1 to 4 carbon atoms,R.sub.4 stands for hydrogen, chlorine, alkyl of 1 to 4 carbon atoms, cyclopentyl, cyclohexyl, methylcyclohexyl or R.sub.3 and R.sub.4 together stand for a --CH.dbd.CH--CH.dbd.CH-- bridge,R.sub.5, R.sub.6 and R.sub.7, independent of one another, each stands for hydrogen or alkyl of 1 to 4 carbon atoms,R.sub.8 stands for hydrogen, alkyl of 1 to 4 carbon atoms or allyl,R.sub.

Abstract: Compounds of the formula I ##SPC1##in which R represents hydrogen, halogen, alkyl having 1 to 4 carbon atoms, alkoxy and alkylthio having 1 to 4 carbon atoms, cyclohexyl, cyclopentyl, and phenyl, R.sup.1 represents hydrogen, halogen, alkyl having 1 to 4 carbon atoms, and alkenyl having 2 to 4 carbon atoms, X and Y each are oxygen or sulfur, R.sup.2 represents hydrogen, alkyl having 1 to 10 carbon atoms, alkoxyalkyl having 2 to 6 carbon atoms, alkyl-amino having 2 to 4 carbon atoms, or phenyl, R.sup.3 represents hydrogen or alkyl having 1 to 4 carbon atoms, R.sup.4 represents hydroxyl, --O-alkyl having 1 to 10 carbon atoms, --S-alkyl having 1 to 6 carbon atoms, --O-- alkenyl having 2 to 4 carbon atoms, --O-cyclohexyl, --O-cyclopentyl, a phenoxy or phenylthio radical optionally substituted once or twice with halogen; --NH.sub.2, --NH-alkyl having 1 to 4 carbon atoms, --N,N-dialkyl or ##EQU1## HAVING 1 TO 4 CARBON ATOMS IN EACH ALKYL GROUP, A --NH-phenyl radical substituted with halogen, --CF.sub.3, --OCF.sub.