New esters of aromatic or heteroaromatic dizinc reagents, their process of preparation and their application for combatting parasites

摘要

The invention relates to the compounds of formula i: & br / (see appended drawing in bopi) & br / in which a represents an aromatic radical, or hetero - aromatic, optionally substituted, x, x, x, which are identical or different represent an atom of 1996, or an atom of halogen, at least one of the radicals x, x and x representing an atom of halogen and b denotes an alkyl radical containing 1 to 18atomes of carbon, or a radical containing 1 to 18atomes of carbon derivative of an acid bcoh of the series of the acids pyrenthrinoids; in all their forms isomers possible as well as their mixtures. / p & & p & the invention is also a subject of the alcohols of formula: & br / (see appended drawing in bopi) & br / / p & & p & the compounds of formula i find their application in combatting parasites and