摘要:
A process for preparing substituted biphenyls in which R1=nitro, amino or NHR3, R2=CN, NO2, halogen, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C6-alkoxy, C1-C6-haloalkyl, C1-C6-alkylcarbonyl or phenyl, R3=C1-C4-alkyl, C2-C4-alkenyl or C2-C4-alkynyl, m=1 or 2; n=0 to 3, which comprises reacting a compound II in the presence of a base and of a palladium catalyst selected from the group of: a) palladium-triarylphosphine or -trialkylphosphine complex with palladium in the zero oxidation state, b) salt of palladium in the presence of triarylphospine or trialkylphosphine as a complex ligand or c) metallic palladium applied to support if appropriate, in the presence of triarylphosphine or trialkylphosphine, in a solvent, with a diphenylborinic acid (III)
摘要翻译:制备其中R1 =硝基,氨基或NHR3,R2 = CN,NO2,卤素,C1-C6-烷基,C2-C6-烯基,C2-C6-炔基,C1-C6-烷氧基,C1- C 1 -C 6烷基羰基或苯基,R 3 = C 1 -C 4烷基,C 2 -C 4 - 烯基或C 2 -C 4炔基,m = 1或2; n = 0至3,其包括使化合物II在碱的存在下与选自以下的钯催化剂反应:a)钯 - 三芳基膦或三烷基膦配合物与零氧化状态的钯,b) 在三芳基膦或三烷基膦存在下作为络合配体的钯,或c)在溶剂中,在二苯基硼酸(III)中,在三芳基膦或三烷基膦存在下,适当地加入金属钯,
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:
A process for preparing substituted biphenyls in whichR1=nitro, amino or NHR3,R2=CN, NO2, halogen, C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl, C1-C6-alkoxy, C1-C6-haloalkyl, C1-C6-alkylcarbonyl or phenyl,R3=C1-C4-alkyl, C2-C4-alkenyl or C2-C4-alkynyl,m=1 or 2; n=0 to 3,which comprises reacting a compound II in the presence of a base and of a palladium catalyst selected from the group of: a) palladium-triarylphosphine or -trialkylphosphine complex with palladium in the zero oxidation state, b) salt of palladium in the presence of triarylphospine or trialkylphosphine as a complex ligand or c) metallic palladium applied to support if appropriate, in the presence of triarylphosphine or trialkylphosphine, in a solvent, with a diphenylborinic acid (III)
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 is described for preparing 3-trifluoromethylphenyl 4-cyanobenzyl ketone by reacting a C1–C2-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 C1–C4-alkanols.
摘要:
Pyrazol-4-ylbenzoyl derivatives where the substituents L, M, X, Y and n have the meanings given in claim 1 and Q is a pyrazole ring, linked in the 4-position, of the formula II where R15 is C1-C4-alkyl, R16 is hydrogen, C1-C4-alkyl or C1-C4-haloalkyl and R17 is hydrogen, C1-C4-alkylsulfonyl, phenylsulfonyl or alkylphenylsulfonyl, where, in the event that Y=C═O, X is other than NR23, agriculturally useful salts, a process for their preparation, and their use as herbicides.
摘要:
4-(3-Alkenylbenzoyl)pyrazoles of the formula I ##STR1## and agriculturally useful salts thereof; processes for preparing the compounds of the formula I; compositions comprising them; and the use of these derivatives or of compositions comprising them for controlling undesirable plants.
摘要:
Saccharin-5-carbonylcyclohexane-1,3,5-trione derivatives of the formula I ##STR1## where: L is C.sub.1 -C.sub.3 -alkyl or C.sub.1 -C.sub.3 -alkoxy;Z is C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.8 -cycloalkyl, C.sub.3 -C.sub.6 -alkenyl, C.sub.3 -C.sub.5 -alkynyl, benzyl or phenyl, the phenyl rings in each case being unsubstituted or mono- or polysubstituted by C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.3 -alkoxy or halogen;M is hydrogen, C.sub.1 -C.sub.3 -alkyl, C.sub.1 -C.sub.3 -alkoxy, fluorine, chlorine, cyano, nitro or trifluoromethyl;R.sup.1, R.sup.2, R.sup.3, R.sup.4 are each C.sub.1 -C.sub.4 -alkyl;and agriculturally useful salts of compound I.
摘要:
Benzoyl derivatives of the formula I ##STR1## where the substituents L, M, X, Y and n have the meaning given in claim 1 andQ for [sic] a cyclohexane-1,3-dione ring, which is linked in the 2-position, of the formula II, ##STR2## where R.sup.15, R.sup.16, R.sup.18 and R.sup.20 are hydrogen or C.sub.1 -C.sub.4 -alkyl,R.sup.19 is hydrogen, C.sub.1 -C.sub.4 -alkyl or a group --COOR.sup.14,R.sup.17 is hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.3 -C.sub.4 -cycloalkyl, it being possible for these groups, if desired, to carry one to three of the following substituents: halogen, C.sub.1 -C.sub.4 -alkylthio or C.sub.1 -C.sub.4 -alkoxy,orR.sup.17 is tetrahydropyran-3-yl, tetrahydropyran-4-yl or tetrahydrothiopyran-3-ylorR.sup.17 and R.sup.20 together form a bond or a three to six-membered carbocyclic ring,where in the case where Y=C.dbd.O, X is not equal to NR.sup.23,and agriculturally utilizable salts, a process for their preparation and their use as herbicides are described.
摘要:
Hetaroyl derivatives of the formula I ##STR1## where the substituents have the following meanings: L and M 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 oxygen or sulfur which can be substituted by one or two oxygens;n zero, one, two;Q,R.sup.1,R.sup.2,R.sup.3 and R.sup.4 have the meanings given in claim 1,processes for preparing the hetaroyl derivatives, compositions which contain them and the use of these derivatives or compositions containing them for controlling weeds are described.