New derivatives of 7-ethynyl alpha-(methoxymethylene) 1-naphthalene acetic acid, their preparation process and their use as pesticides

摘要

The application relates to the products (I): IMAGE in which: - R represents H, halogen or alkyl which is linear, branched or cyclic, optionally interrupted by one or a number of O, S or N, or R represents optionally substituted aryl, aryloxy or heterocyclic aryl or IMAGE with p = 0 to 6, or R represents IMAGE with Ra, Rb and Rc = alkyl or R represents IMAGE with a and b = H, halogen, OH, alkyl or alkoxy or a and b together form a cycloalkyl and R' has one of the values of R, - R2 and R3 represent H, alkyl or IMAGE to their process of preparation and to their application as pesticidal agent.