New derivatives of the acid (1r, cis) 2,2 - dimethyl 3 (2,2 - 1 - fluoro ethenyl) cyclopropanecarboxylic acid, their process of preparation and their application to combat parasitic acaridae of animals plants and

摘要

P the invention relates to the compounds of formula: & br / (see appended drawing in bopi) & br / in the form of a structure 1r, cis the cyclopropane copula and in the form of r configuration for the carbon, benzyl, in which r denotes an alkyl radical containing 1 to 5 carbon atoms. / p & & p & the compounds of the invention can be used to combat acarids, plants pests and parasites of animals. / p