2-(3-PYRIDYL)-1,3,4-OXADIAZOLES, PROCESS FOR THEIR PREPARATION AND THEIR USE AS BIOCIDES

摘要

The invention relates to 2-(3-pyridyl)-1,3,4-oxadiazoles of the formula IMAGE wherein R1 is hydrogen, C1-C6alkyl, -COOR2 or IMAGE wherein R2 is C1-C6alkyl R3 and R4, each independently of the other, are hydrogen or C1-C6alkyl, X1 is hydrogen, halogen or C1-C6alkyl, and n is 0 or 1, to the preparation thereof, and to a method of use thereof in pest control.