摘要:
A process and intermediates for preparing .alpha.-methoxyiminocarboxylic acid methylamides (I) by Pinner reaction of a cyanoketone (II) with an alcohol and subsequent reaction of the resulting ester (IV) with hydroxylamine to give the oxime (V), methylation of (V) to give the oxime ether (VI) and subsequent reaction of (VI) with methylamine: ##STR1##
摘要翻译:一种通过氰基酮(II)与醇的缩合反应制备α-甲氧基亚氨基羧酸甲基酰胺(I)的方法和中间体,随后将所得酯(IV)与羟胺反应得到肟(V),(V )得到肟醚(Ⅵ),随后的(Ⅵ)与甲胺的反应:X =硝基,三氟甲基,卤素,烷基或烷氧基; n = 0,1,2,3或4; Y = C-有机基团。
摘要:
A process for preparing an o-iminooxymethylbenozic acid of the general formula I ##STR1## comprises reacting an oxime of the general formula II ##STR2## with a lactone of the general formula III ##STR3## if appropriate in the presence of a base or of a diluent, and o-iminooxymethylbenzoic acids of the abovementioned formula.
摘要:
Pyrazolo pyrimidines of the formula I ##STR1## where the indices and the substituents have the meanings defined in the specification, processes for their preparation and their use are described.
摘要:
E-oxime ethers of phenylglyoxylic esters of the formula I ##STR1## where X and Y are each halogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy or trifluoromethyl;m is an integer from 0 to 4;n is an integer from 0 to 3;are prepared.
摘要:
A process for the preparation of largely isomerically pure .alpha.-bisoximes of the formula IaR.sup.1 O--N.dbd.CR.sup.2 --CR.sup.3 .dbd.N--OR.sup.4 Iawhere the groups R.sup.1 O-- and R.sup.2 on the N.dbd.C bond are cis to one another and where the radicals have the following meanings:R.sup.1 and R.sup.4 are hydrogen or a C-organic radical;R.sup.2 is hydrogen, cyano, nitro, hydroxyl, amino, halogen or an organic radical which can be bonded to the structure directly or via an oxygen, sulfur or nitrogen atom;R.sup.3 is hydrogen, cyano, nitro, hydroxyl, amino, halogen, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, alkylamino, dialkylamino or cycloalkyl,from a mixture of the isomers of the a-bisoximes Ia and Ib ##STR1## is described.
摘要:
The present invention relates to the use of strobilurine type compounds of formula I and the N-oxides and the salts thereof for combating phytopathogenic fungi containing a mutation in the mitochondrial cytochrome b gene conferring resistance to Qo inhibitors, and to methods for combating such fungi. The invention also relates to novel compounds, processes for preparing these compounds, to compositions comprising at least one such compound, to plant health applications, and to seeds coated with at least one such compound.
摘要:
A 7-(R)-Aminotriazolopyrimidines of formula I where the substituents and index are as defined below: R1 is hydrogen or methyl; R2 is methyl; R3 is C2-C10-alkyl, C1-C4-alkoxymethyl, C3-C10-cycloalkyl; Y is halogen, cyano, C1-C4-alkyl or C1-C4-alkoxy; where * is a center of chirality in the R configuration, processes for their preparation, compositions comprising them and their use for controlling harmful fungi.
摘要:
6-Phenyl-Pyrazolopyrimidines of formula I wherein R1 is alkyl, alkenyl, alkynyl, alkadienyl or haloalkyl, cycloalkyl, bicycloalkyl, phenyl, naphthyl, or 5- or 6-membered heterocyclyl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, or 5- or 6-membered heteroaryl, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, where these radicals may be unsubstituted or substituted as defined in the specification, Y is oxygen, sulfur, NR2 or a single bond; wherein R2 is defined in the specification; and R1 and R2 together with the interjacent nitrogen atom may represent a 5- or 6-membered heterocyclic ring, containing one to four nitrogen atoms or one to three nitrogen atoms and one sulfur or oxygen atom, which may be substituted by one or more Rc radicals; m is 0 or an integer from 1 to 4; L each independently is halogen, nitro, alkyl, alkoxy, and X is halogen; processes and intermediates for preparing these compounds, compositions comprising them and their use for controlling phytopathogenic fungi are described.