Plant protecting and regulating compositions – Plant growth regulating compositions – Organic active compound containing
Patent
1994-12-22
1999-08-31
Stockton, Laura L.
Plant protecting and regulating compositions
Plant growth regulating compositions
Organic active compound containing
514406, 5483771, A01N 4356, A61K 31415, C07D23112
Patent
active
059453826
DESCRIPTION:
BRIEF SUMMARY
The present invention relates to new derivatives of the 3-arylpyrazole family, to the processes for their preparation, to the compositions containing them and to their use for protecting plants against fungal diseases.
More specifically, the subject of the invention is 3-arylpyrazole derivatives, characterised in that they are of formula I: ##STR2## in which:
X.sub.1, X.sub.2, X.sub.3, X.sub.4 and X.sub.5, which are identical or different, are: nitroso or amino group, the amino group optionally being substituted by one or two alkyls or phenyls, alkylsulphonylalkyl, benzyl, alkenyl, alkynyl, cyanoalkyl, alkoxy, alkenoxy, alkylthio, formyl, acetyl, alkylcarbonyl, alkoxy(thio)carbonyl, mono- or dialkylamino(thio)carbonyl, iminocarbonyl, mono- or diarylamino(thio)carbonyl, carboxyl, carboxylate, carbamoyl or benzoyl radical, or -sulphinyl or -sulphonyl, comprising alkyl, alkoxy, alkylthio and dialkylamino, benzyloxy, phenyloxy or phenyl,
Two of the adjacent X.sub.1, X.sub.2, X.sub.3, X.sub.4 and X.sub.5 groups can also be connected to each other via a carbon bridge comprising 2 to 4 members, one at least of which can be replaced by an oxygen, sulphur or nitrogen atom, it being possible for the carbons of this bridge to be unsubstituted or substituted by at least one halogen atom and/or at least one hydroxyl, amino, alkyl, alkoxy, alkylthio, mono- or dialylamino, or alkylsulphinyl or -sulphonyl group, the alkyl part being as defined above, each simultaneously a hydrogen atom; X.sub.1 and alkoxy or alkylthio, or alkylsulphinyl or alkylsulphonyl group, the alkyl part of these radicals being optionally mono- or polyhalogenated, or an amino optionally substituted by one or two alkyls or phenyls; bridge comprising 5 to 7 members, one at least of which can be replaced by an oxygen, sulphur or nitrogen atom, it being possible for the carbons of this bridge to be unsubstituted or substituted by at least one halogen atom and/or at least one hydroxyl, alkoxy, alkylthio, mono- or dialylamino, or alkylsulphinyl or -sulphonyl group, the alkyl part being as defined above, cycloalkyl part to be substituted by the group GR.sub.4, defined below, or an alkylthio, carbon atoms group and comprising alkyl, alkoxy, alkylthio, dialkylamino, cycloalkyl or cycloalkylalkyl, alkenyl or alkynyl, phenyl, phenylalkyl, Het or Het-alkyl, phenyl or Het, optionally substituted; the same meanings as above and Z.sub.3 has the same meanings. without necessarily being equal to Z.sub.1, X.sub.5 are each a hydrogen atom; group of formula C(Z.sub.1)Z.sub.2, or S(Z.sub.1) (Z.sub.3)Z.sub.2 ##STR3## their hydracid or perchloric or nitric or sulphuric acid or alkyl- or (optionally substituted)phenylsulphonic acid salts and their metal or metalloid complexes, and can be optionally halogenated (from 1 to 8 halogen atoms), and can be optionally substituted by at least one substituent chosen from the group GR.sub.4, substituents chosen from the group comprising a halogen atom or an alkyl or alkoxy containing 1 to 3 carbon atoms, atoms, 1 to 4 of which are heteroatoms (oxygen, sulphur, nitrogen or phosphorus).
Preferably, in the formula, Y is a chlorine or bromine atom.
Other preferred derivatives are such that, in the formula I, Z is a hydrogen or a group C(Z.sub.1)Z.sub.2, in which Z.sub.1 is an oxygen or sulphur atom.
Other preferred derivatives are such that, in the formula I, X.sub.1, X.sub.2 and X.sub.4 are a hydrogen or halogen atom or a nitro group or an optionally halogenated alkyl group containing 1 to 4 carbon atoms.
Other preferred derivatives are such that, in the formula I, X.sub.3 is a hydrogen or fluorine atom.
Other preferred derivatives are such that, in the formula I, X.sub.5 is a hydrogen atom.
Other preferred derivatives are such that, in the formula I, two adjacent substituents chosen from X.sub.1, X.sub.2, X.sub.3, X.sub.4 and X.sub.5 form a bridge comprising 3 or 4 members, in particular an optionally halogenated and preferably fluorinated methylenedioxy bridge.
The compounds of formula I, in which Z is C(Z.sub.1)Z.sub.2 or S(Z.sub.1)(Z
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Cantegril Richard
Croisat Denis
Desbordes Philippe
Guigues Fran.cedilla.ois
Mortier Jacques
Rhone-Poulenc Agrochimie
Stockton Laura L.
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