Abstract: The invention is directed at a new process for the preparation of pure enantiomers from the racemate of amidoacetonitrile compounds of formula wherein R1, R2 and R3, independently of each other, signify hydrogen, halogen, nitro, cyano, C1-C6-alkyl, halogen-C1-C6-alkyl, C1-C6-alkoxy, halogen-C1-C6-alkoxy, C2-C6-alkenyl, halogen-C2-C6-alkenyl, C2-C6-alkinyl, halogen-C2-C6-alkinyl, C2-C6-alkenyloxy, halogen-C2-C6-alkenyloxy, C1-C6-alkylthio, halogen-C1-C6-alkylthio, C1-C6-alkylsulfonyloxy, halogen-C1-C6-alkylsulfonyloxy, C1-C6-alkylsulfinyl, halogen-C1-C6-alkylsulfinyl, C1-C6-alkylsulfonyl, halogen-C1-C6-alkylsulfonyl, C1-C6-alkenylthio, halogen-C1-C6-alkenylthio, C1-C6-alkenylsulfinyl, halogen-C1-C6-alkenylsulfinyl, C1-C6-alkenylsulfonyl, halogen-C1-C6-alkenylsulfonyl, C1-C6-alkylamino, di-(C1-C6-alkyl)amino, C1-C6-alkylaminocarbonyl, di-(C1-C6-alkyl)aminocarbonyl, C1-C6-alkylsulfonylamino, halogen-C1-C6-alkylsulfonylamino, C1-C6-alkylcarbonyl, halogen-C1-C6-alkylcarbonyl, C1-C6-alkoxycarbonyl, unsubstitut

Abstract: The invention is directed at a new process for the preparation of pure enantiomers from the racemate of amidoacetonitrile compounds of formula wherein R1, R2 and R3, independently of each other, signify hydrogen, halogen, nitro, cyano, C1-C6-alkyl, halogen-C1-C6-alkyl, C1-C6-alkoxy, halogen-C1-C6-alkoxy, C2-C6-alkenyl, halogen-C2-C6-alkenyl, C2-C6-alkinyl, halogen-C2-C6-alkinyl, C2-C6-alkenyloxy, halogen-C2-C6-alkenyloxy, C1-C6-alkylthio, halogen-C1-C6-alkylthio, C1-C6-alkylsulfonyloxy, halogen-C1-C6-alkylsulfonyloxy, C1-C6-alkylsulfinyl, halogen-C1-C6-alkylsulfinyl, C1-C6-alkylsulfonyl, halogen-C1-C6-alkylsulfonyl, C1-C6-alkenylthio, halogen-C1-C6-alkenylthio, C1-C6-alkenylsulfinyl, halogen-C1-C6-alkenylsulfinyl, C1-C6-alkenylsulfonyl, halogen-C1-C6-alkenylsulfonyl, C1-C6-alkylamino, di-(C1-C6-alkyl)amino, C1-C6-alkylaminocarbonyl, di-(C1-C6-alkyl)aminocarbonyl, C1-C6-alkylsulfonylamino, halogen-C1-C6-alkylsulfonylamino, C1-C6-alkylcarbonyl, halogen-C1-C6-alkylcarbonyl, C1-C6-alkoxycarbonyl, unsubstitut

Abstract: The invention relates to the use of compounds of the general formula (I), wherein R1, R2, R3, R4, R5, R6, R7, R8, R9, R10, R11, R12, R13, X1 and X2 have the significances given in claim 1, and optionally the enantiomers and geometrical isomers thereof, for controlling parasites on warm-blooded animals.

Abstract: The invention relates to compounds of the general formula (I) wherein X, Y and W have the significances given in claim 1 and optionally the enantiomers thereof. The active ingredients have advantageous pesticidal properties. They are especially suitable for controlling parasites in and on warm-blooded animals.