Alpha-methylene-2-vinyl-benzeneacetic acid derivatives, process for their preparation and their use as pesticides

摘要

The subject of the invention is the compounds of formula (I): …… in which: … …  - X represents a halogen atom, …  - R2 and R3 represent an alkyl radical optionally substituted by one or a number of halogen atoms, and …  - either R1 represents an optionally substituted alkyl, alkenyl or alkynyl radical …  - or R1 represents an optionally substituted aryl or heteroaryl radical. … …The compounds of formula (I) have advantageous pesticidal properties.