| abstract |
(57) [Summary] The present invention is of the general formula (I) In the formula, X represents a direct bond, or represents one of the groups —O—, —S—, —S (O) —, —SO 2 , —NH or —NR 2 , and R 1 is each optionally substituted. Represents optionally substituted alkyl, cycloalkyl, aryl, aralkyl, heteroaryl, R 2 is optionally substituted alkyl, optionally substituted cycloalkyl, optionally substituted aryl or 2-dichloromethyl-1,3,4-oxa represents an optionally substituted aryl or R 1 and R 2 together with the nitrogen atom to which they are attached form a ring. It relates to the use of diazoles as insecticides, nematicides and acaricides as well as novel 2-dichloromethyl-1,3,4-oxadiazoles and their preparation. |