Abstract:
The invention relates to cyclohexenondioxothiochromanoyl derivatives of formula (I) wherein the variables have the following meanings: X is oxygen, sulphur, S=O, S(=O)2, CR R , C=O or C=NR ; R is hydrogen, nitro, halogen, cyano, alkyl, alkyl halide, alkoxy, halogenalkoxy, alkylthio, halogenalkylthio, alkylsulfinyl, halogenalkylsulfinyl, alkylsulfonyl, halogenalkylsulfonyl, optionally substituted aminosulfonyl or optionally substituted sulfonylamino; R is alkyl, alkyl halide, alkoxy or halogenalkoxy; R is hydrogen, alkyl or halogen; and R , R are hydrogen, nitro, halogen, cyano, alkyl, alkyl halide, alkoxy, halogenalkoxy, alkylthio, halogenalkylthio, alkylsulfinyl, halogenalkylsulfinyl, alkylsulfonyl, halogenalkylsulfonyl or substituted amino; or R and R together form a chain which can be substituted and/or interrupted by oxygen or sulphur; or an optionally substituted methylide group; l is 0 to 4; R is substituted (3-oxo-1-cyclohexen-2-yl)-carbonyl or substituted (1,3-dioxo-2-cyclohexyl-methylides. The invention also relates to the agriculturally usable salts of said derivatives, to methods for producing the derivatives, to substances containing them, and to the use of the derivatives or substances containing them for combating undesirable plants.
Abstract:
The invention relates to benzylidene pyrazolones of formula (I), wherein the substituents and index n have the following meanings: R = optionally substituted C1-C6 alkyl; R = optionally substituted C1-C6 alkyl, optionally substituted C1-C6 alkoxy, halogen, nitro, cyano; R = hydrogen, halogen, nitro, cyano, a group NR R , OCOR , NR COR ,CO2R , -COSR , -CONR R , C1-C4-alkoxyiminoalkyl, C1-C6 alkoxycarbonyl, optionally substituted C1-C6 alkyl, optionally substituted C1-C6 alkoxy, optionally substituted C1-C6 alkylthio, optionally substituted C2-C6 alkenyl, optionally substituted phenyl, optionally substituted phenoxy, an optionally substituted 5- or 6-membered saturated or unsaturated heterocycle which can contain up to 4 nitrogen atoms and/or up to 2 oxygen or sulphur atoms as ring members; R = C1-C6 alkyl, C1-C4 halogen alkyl; or R and R = an optionally substituted saturated or unsaturated 2- or 3-membered bridge which can contain one sulphur atom which can be oxidized into sulfoxide or sulfone, R = hydrogen or optionally substituted C1-C6 alkyl; R = hydrogen, C1-C6 alkyl or C1-C4 halogenalkyl; n = 0, 1 or 2; X = hydrogen, chlorine or bromine. The compounds to which claim is laid are available in both a trans and a cis form or can be a mixture of these isomers.
Abstract:
Saccharin derivatives of formula (I) are disclosed, wherein the substituents have the following meanings: L, M stand for hydrogen, alkyl, alkoxy, alkylthio, chlorine, cyano, methylsulphonyl, nitro or trifluoromethyl; Z stands for hydrogen, alkyl, cycloalkyl, alkenyl, alkinyl, acyl, benzyl (optionally substituted by halogen, alkyl), or phenyl; J stands for an optionally substituted cyclohexane-1,3-dione ring linked at position 2.
Abstract:
processo para preparar bifenilas substituídas. a invenção se refere a um processo para produzir bifenilas substituidas (1) nos quais: r é nitro, amino ou nhr~ 3~; r^ 2^ é ciano, nitro, halogênio, alquila c~ 1~-c~ 6~, alquenila c~ 2~-c~ 6~, alquinila c~ 2~-c~ 6~, alcóxi c~ 1~-c~ 6~, haloalquila c~ 1~-c~ 6~, (c~ 1~-c~ 6~-alquil)carbonila ou fenila; r^ 3^ é alquila c~ 1~-c~ 4~, alquenila c~ 2~-c~ 4~ ou alquinila c~ 2~-c~ 4~; m é 1 ou 2,; n = o a 3. a invenção é caracterizada em que um composto (ii) é reagido com um ácido difenil borínico (iii) na presença de uma base e de um catalisador de paládio selecionado do grupo que consiste de: a) complexo de trialquilfosfina ou trialquilfosfina-paládio com paládio sendo zero no estado de oxidação; b) sal do paládio na presença de triarilfosfina ou trialquilfosfina servindo como um ligante complexo ou; c) opcionalmente paládio metálico elevada com substratos, na presença de triarilfosfina ou trialquilfosfina em um solvente.
Abstract:
A process is described for preparing 3-trifluoromethylphenyl 4-cyanobenzyl ketone by reacting a C 1 -C 2 -alkyl 3-trifluoromethylbenzoate with 4-tolunitrile in an aprotic polar solvent or an aprotic polar solvent mixture in the presence of at least an equimolar amount of a base which is selected from potassium alkoxides of primary C 1 -C 4 -alkanols.
Abstract:
The invention concerns benzoyl derivatives of formula (I) in which the variables have the following meanings: R1, R2: hydrogen, nitro, halogen, cyano, alkyl, alkyl halide, alkoxy, alkoxy halide, alkylthio, alkylthio halide, alkylsulphinyl, alkylsulphinyl halide, alkylsulphonyl, or C1-C6 alkylsulphonyl halide; R3: hydrogen, halogen or alkyl; R4, R5: hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, dialkylamino, phenyl or carbonyl, wherein the six last-mentioned groups can be substituted; X: O, S, NR9, CO or CR10R11; Y: O, S, NR12, CO or CR13R14; R15: optionally substituted pyrazole which is bonded in position 4 and carries a hydroxy or sulphonyloxy group in position 5. The invention also concerns: the salts of these 3-heterocyclyl-substituted benzoyl derivatives which can be used fo r agricultural purposes; processes and intermediate products for preparing these substances; agents containing them; and the use as herbicides of these derivatives or agents containing them.
Abstract:
Substituted 2-benzoylcyclohexane-1,3-diones of the formula Iwhere:R1 and R2 are each hydrogen, mercapto, nitro, halogen, cyano, thiocyanato, C1-C6-alkyl, C1-C6-haloalkyl, C1-C6-alkoxy, C2-C6-alkenyl, C2-C6-alkynyl, -OR3, -OCOR3, -OSO2R3, -S(O)nR3, -SO2OR3, -SO2N(R3)2, -NR3SO2R3 or -NR3COR3;R3 is hydrogen, C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C2-C6-alkynyl, phenyl or phenyl-C1-C6-alkyl; where the abovementioned alkyl radicals may be partially or fully halogenated and/or may carry one to three of the following groups:hydroxyl, mercapto, amino, cyano, R3, -OR3, -SR3, -N(R3)2, =NOR3, -OCOR3, -SCOR3, -NR3COR3, -CO2R3, -COSR3, -CON(R3)2, C1-C4-alkyliminooxy, C1-C4-alkoxyamino, C1-C4-alkylcarbonyl, C1-C4-alkoxy-C2-C6-alkoxycarbonyl, C1-C4-alkylsulfonyl, heterocyclyl, heterocyclyloxy, phenyl, benzyl, hetaryl, phenoxy, benzyloxy and hetaryloxy, where the eight last mentioned radicals may in turn be substituted;n is 0, 1 or 2;Q is a cyclohexane-1,3-dione ring with or without substitution which is attached in position 2;X1 is a straight-chain or branched C1-C6-alkylene, a C2-C6-alkenylene or a C2-C6-alkynylene chain, where the abovementioned alkylene, alkenylene or alkynylene radicals may be partially halogenated and/or may carry one to three of the following groups:-OR4, -OCOR4, -OCONHR4 or -OSO2R4;except for those of the abovementioned alkenylene radicals where the double bond is alpha,beta to the phenyl ring and where Het is linked to the double bond via the beta position;R4 is hydrogen, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, phenyl, phenyl-C1-C6-alkyl, where the abovementioned alkyl, alkenyl or alkynyl radicals may be partially or fully halogenated and/or may be substituted by one or more of the following radicals:hydroxyl, mercapto, amino, cyano, nitro, formyl, C1-C4-alkylamino, C1-C4-dialkylamino, C1-C4-alkoxycarbonyl, C1-C4-alkylcarbonyl, C1-C4-alkylcarbonyloxy, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkylthio, C1-C4-haloalkylthio, C1-C4-alkoxy, C1-C4-haloalkoxy;Het is a three- to six-membered partially or fully saturated heterocyclic group or a three- to six-membered heteroaromatic group having up to three hetero atoms selected from the group consisting of:nitrogen, oxygen or sulfur,where the abovementioned heterocyclic or heteroaromatic group may be partially or fully halogenated and/or may be substituted by R5;R5 is hydrogen, hydroxyl, mercapto, amino, cyano, nitro, formyl, C1-C4-alkylamino, C1-C4-dialkylamino, C1-C4-alkoxycarbonyl, C1-C4-alkylcarbonyl, C1-C4-alkylcarbonyloxy, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkylthio, C1-C4-haloalkylthio, C1-C4-alkoxy, C1-C4-haloalkoxy, where the alkyl radicals may in each case be substituted by in each case one or more of the following radicals:cyano, formyl, C1-C4-alkylamino, C1-C4-dialkylamino, C1-C4-alkoxycarbonyl, C1-C4-alkylcarbonyl, C1-C4-alkylcarbonyloxy, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkylthio, C1-C4-haloalkylthio, C1-C4-alkoxy, C1-C4-haloalkoxy;and agriculturally useful salts thereof, processes and intermediates for preparing compounds of the formula I, compositions comprising them, and the use of the compounds of the formula I and compositions comprising them for controlling harmful plants are described.
Abstract:
A process is described for preparing 3-trifluoromethylphenyl 4-cyanobenzyl ketone by reacting a C 1 -C 2 -alkyl 3-trifluoromethylbenzoate with 4-tolunitrile in an aprotic polar solvent or an aprotic polar solvent mixture in the presence of at least an equimolar amount of a base which is selected from potassium alkoxides of primary C 1 -C 4 -alkanols.