摘要:
Substituted 2-phenylpyridines I ##STR1## where n is 0, 1;R.sup.1 is halogen, C.sub.1 -C.sub.6 -haloalkyl;R.sup.2 and R.sup.3 are H, halogen;R.sup.4 is cyano, halogen;X and Y are --O--, --S--;R.sup.5 and R.sup.6 are H, C.sub.1 -C.sub.4 -alkyl or together are a 1,2-ethylene, 1,3-propylene, 1,4-tetramethylene or 1,5-pentamethylene chain;R.sup.7 is C.sub.1 -C.sub.6 -haloalkyl, C.sub.3 -C.sub.6 -haloalkenyl, C.sub.2 -C.sub.6 -alkenyloxy-C.sub.1 -C.sub.4 -alkyl, C.sub.2 -C.sub.6 -alkenyloxy-C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.6 -alkadienyl, C.sub.3 -C.sub.6 -alkynyl, C.sub.3 -C.sub.6 -cycloalkyl, C.sub.5 -C.sub.6 -cycloalkenyl, 3-oxetanyl, 3-thietanyl, phenyl, phenyl-C.sub.1 -C.sub.4 -alkyl or 5/6-membered heteroaryl having 1 to 3 hetero atoms selected from the group consisting of two oxygen atoms, two sulfur atoms and 3 nitrogen atoms, orR.sup.6 and R.sup.7 together are a 1,2-ethylene or 1,3-propylene chain which can have attached to it one or two C.sub.1 -C.sub.4 -alkyl substituents are used as herbicides and for the desiccation/defoliation of plants.
摘要:
The invention relates to 4-benzoylpyrazoles of the formula I and their agriculturally useful salts thereof, processes and intermediates; compositions thereof; and use thereof for controlling undesireable plants.
摘要:
Pyrazolylhetaroyl derivatives of the formula I ##STR1## where the substituents have the following meanings: L and M are hydrogen, C.sub.1 -C.sub.6 -alkyl, C.sub.2 -C.sub.6 -alkenyl, C.sub.2 -C.sub.6 -alkynyl, C.sub.1 -C.sub.4 -alkoxy, it being possible for these groups to be unsubstituted or substituted by one to five halogen atoms or C.sub.1 -C.sub.4 -alkoxy; halogen, cyano, nitro;X is oxygen or sulfur which can be substituted by one or two oxygens;n is zero, one or two; andQ, R.sup.1, R.sup.2, R.sup.3 and R.sup.4 have the meanings given in claim 1,processes for the preparation of the pyrazol-4-yl-hetaroyl derivatives, compositions comprising them, and the use of these derivatives or of the compositions comprising them for controlling weeds.
摘要:
Benzoyl derivatives of the formula I where the variables have the following meanings: R1, R2 are hydrogen, nitro, halogen, cyano, alkyl, haloalkyl, alkoxy, haloalkoxy, alkylthio, haloalkylthio, alkylsulfinyl, haloalkylsulfinyl, alkylsulfonyl or C1-C6-haloalkylsulfonyl; R3 is hydrogen, halogen or alkyl; R4, R5 are hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, dialkylamino, phenyl or carbonyl, it being possible for the 6 last-mentioned radicals to be substituted; X is O, S, NR9, CO or CR10R11; Y is O, S, NR12, CO or CR13R14; R15 is pyrazole which is unsubstituted or substituted, linked in the 4-position and has attached to it in the 5-position a hydroxyl or sulfonyloxy radical; and the agriculturally useful salts thereof; processes and intermediates for the preparation of the 3-heterocyclyl-substituted benzoyl derivatives; compositions comprising them; and the use of these derivatives or compositions comprising them for controlling undesirable plants.
摘要翻译:式I的苯甲酰基衍生物,其中变量具有以下含义:R 1,R 2是氢,硝基,卤素,氰基,烷基,卤代烷基,烷氧基,卤代烷氧基, 烷硫基,卤代烷硫基,烷基亚磺酰基,卤代烷基亚磺酰基,烷基磺酰基或C 1 -C 6 - 卤代烷基磺酰基; R 3是氢,卤素或烷基; R 4,R 5是氢,卤素,氰基,硝基,烷基,烷氧基,烷硫基,二烷基氨基,苯基或羰基,对于最后提到的6个基团是可能的 被替代 X是O,S,NR 9,CO或CR 10 R 11, Y是O,S,NR 12,CO或CR 13 R 14; R 15是未取代或取代的吡唑,其在4-位连接并在5-位上连接羟基或磺酰氧基; 及其农业上有用的盐; 用于制备3-杂环基取代的苯甲酰基衍生物的方法和中间体; 包含它们的组合物; 以及包含它们的这些衍生物或组合物用于控制不期望的植物的用途。
摘要:
A process for preparing pyridyl-substituted N-phenylhydroxylamines by catalytic hydrogenation of the corresponding nitro compounds in the presence of an N-substituted morpholine compound and rearrangement of the hydroxylamine compounds obtained to pyridyl-4-fluoraniline compounds is described.
摘要:
A process is described for preparing isoxazoles of the formula I where the substituents are as defined below: R1 is hydrogen, C1-C6-alkyl, R2 is C1-C6-alkyl, R3, R4, R5 are hydrogen, C1-C6-alkyl, or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Also novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates are described.
摘要:
Preparation of mixtures of O-phenoxyalkylhydroxylamines Ia and Ib ##STR1## and the corresponding salt mixtures by a) converting mixtures of isomers of O-(2-hydroxyethyl)oximes IIa and IIb ##STR2## with a sulfonyl halide III ##STR3## into a mixture of sulfonates IVa and IVb ##STR4## b) reacting this mixture of IVa and IVb with a phenol HO-Ar (V) to give a mixture of O-phenoxyalkoximes VIa and VIb ##STR5## c) hydrolyzing this mixture in the presence of an acid and, if desired d) liberating the O-phenoxyalkylhydroxylamines Ia and Ib from the resulting salts using a mineral acid. Compounds Ia/Ib and VIa/VIb are important intermediates for crop protection agents.
摘要:
2-Iminooxyphenylacetic acid derivatives ##STR1## where the substituents and the index have the following meanings: R.sup.1 is C(CO.sub.2 CH.sub.3).dbd.NOCH.sub.3 (Ia), C(CONHCH.sub.3).dbd.NOCH.sub.3 (Ib), C(CONH.sub.2).dbd.NOCH.sub.3 (Ic), C(CO.sub.2 CH.sub.3).dbd.CHOCH.sub.3 (Id) or C(CO.sub.2 CH.sub.3).dbd.CHCH.sub.3 (Ie);R.sup.2 is cyano, nitro, halogen, alkyl, haloalkyl or alkoxy;m is 0, 1 or 2;R.sup.3 is hydrogen, cyano, hydroxyl, halogen,alkyl, haloalkyl, alkoxyalkyl, alkoxy, haloalkoxy, alkylthio, cyclopropyl, alkenyl,unsubstituted or substituted aryloxyalkyl, benzyl or benzyloxy,R.sup.4 is hydrogen, cyano,unsubstituted or substituted alkyl, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl and hetaryl;unsubstituted or substituted alkoxy, alkenyloxy, alkynyloxy, cycloalkoxy, heterocyclyloxy, aryloxy and hetaryloxy;unsubstituted or substituted arylthio and hetarylthio;--Q--C(R.sup.5).dbd.N--Y.sup.1 --R.sup.6 or --Q--O--N.dbd.CR.sup.7 R.sup.8,R.sup.3 and R.sup.4 together with the carbon atom to which they are bonded are an unsubstituted or substituted four- to eight-membered ring which, besides carbon atoms, may contain one or two oxygen and/or sulfur atoms and/or NH and/or N(C.sub.1 -C.sub.4 -alkyl) groups;R.sup.3 and R.sup.4 not simultaneously being bonded to the carbon atom via hetero atoms;their salts, processes and intermediates for their preparation, and their use.