Derivatives of the 2,4 - hexadienoic acid and its use as a herbicide and regulator of the growth of the plants.

摘要

The present invention relates to compounds of general formula: & br / (see appended drawing in bopi) & br / / p & & p & in this formula: / p & & p & r is an atom of 1996, or a methylene radical; / p & & p & y is an oxygen atom or a sulphur atom divalent; / p & & p & r is a group of gold, sr, or (r); / p & & p & r is an atom of 1996, or an alkyl radical comprising 1 to 4atomes of carbon, cycloalkyl group comprising 3 has 6atomes of carbon, comprising a 4atomes 2 alkenyl, alkynyl comprising 2 has 4atomes of carbon, phenyl or benzyl, 1 / p & & p & ar is a phenyl, pyridyl, naphthyl, quinoline, phenoxyphenyl or pyridyloxy - phenyl, these groups being optionally substituted by one or more substituents, consisting of atoms of halogen, alkyl groups having 1 to 4atomes of carbon, alkoxyl comprising 1 to 4atomes of carbon, nitro, cyano, trifluoromethyl, -acetoxy, acetamido and methoxycarbonyl. / p & & p & the use of these compounds as regulators of the growth of plants and the destruction of the plants.