Abstract:
A process for reacting chemical compounds comprising the step of oxidizing a compound of formula (II) wherein R1 and R2 are halogen, and R3 is -(C1-C4) alkyl, in the presence of a peroxy reagent to obtain a compound of formula (III).
Abstract:
The present invention relates to a process for preparing substituted 2-nitrobiphenyls and to specific 2-nitrobiphenyls. The invention further relates to a process for preparing 2-aminobiphenyls from such 2-nitrobiphenyls and to a process for preparing (het)arylamides of such 2-aminobiphenyls.
Abstract:
The present invention relates to a method for producing 2- (aminomethylidene)-4,4dihalo-3-oxobutyric acid esters of the formula (I), where R1, R2, R3 are C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C3-C10-cycloalkyl or benzyl and/or R2 together with R3 and the nitrogen atom, to which both radicals are bound, are a heterocyclic radical, wherein a corresponding 3-aminoacrylic acid ester is reacted with a halogen-substituted acetyl fluoride in the presence of at least one alkali or earth alkali metal fluoride. The invention also relates to the further reaction of halogen-substituted 2-(aminomethylidene)-3-oxobutyric acid esters of the formula (1) into halomethyl-substituted pyrazole-4-ylcarboxylic acids and the esters thereof.
Abstract:
The present invention relates to a process for preparing substituted 2-nitrobiphenyls and to specific 2-nitrobiphenyls. The invention further relates to a process for preparing 2-aminobiphenyls from such 2-nitrobiphenyls and to a process for preparing (het)arylamides of such 2-aminobiphenyls.
Abstract:
This invention relates to a process for preparing substituted phenylhydrazines of the formula I wherein R has the meaning as indicated in the description, comprising reacting a dichlorofluorobenzene of the formula Il with a hydrazine source selected from hydrazine, hydrazine hydrate and acid addition salts of hydrazine and optionally being carried out in the presence of at least one organic solvent.
Abstract:
The present invention relates to a method for preparing 1,3-substituted pyrazol compounds of formula (I), where X stands for a group CX1X2X3, with X1, X2 and X3 being hydrogen, fluorine or chlorine, independently of one another, R1 being an C1-C4 alkyl or cyclopropyl, and R2 being hydrogen, CN or a group CO2R2a, where R2a stands for C1-C6 alkyl in particular, comprising the following steps: i) reacting a compound of formula II with a hydrazone of formula (III), wherein in formula (II) the variables X and R2 have the same meaning as indicated for formula (I), Y stands for oxygen, a group NRy1 or a group [NRy2Ry3]+Z- , R3 stands for OR3a or a group NR3bR3c, and wherein in formula (III) the variable R1 has the same meaning as indicated for formula (I), R4 and R5 stand for hydrogen, C1-C6 alkyl, alternatively substituted phenyl, independent of one another, wherein at least one of the radicals R4 or R5 is different from hydrogen and where R4 and R5 can also stand for a 5 to 10-membered saturated carbocycle together with the carbon atom connected thereto; treatment of the reaction product obtained thereby with an acid in the presence of water.
Abstract:
The invention relates to a method for producing 3-difluoromethyl-substituted pyrazole compounds of formula (I), wherein R1 represents H, halogen, nitro, C1-C8 alkyl, C1-C8 haloalkyl, C3-C8 cycloalkyl, phenyl, naphthyl, hetaryl, cyano, -C(=O)-OR1a, -C(=O)-NR1bR1c, -C(=O)-SR1d or -C(=S)-SR1 e; R2 represents H, C1-C4 alkyl, benzyl or phenyl; R3 represents H, halogen, C1-C8 alkoxy, C1-C8 haloalkoxy, C3-C8 cycloalkoxy, C2-C8 alkenyloxy, C1-C8 alkylthio, C1-C8 haloalkylthio, C3-C8 cycloalkylthio or C2-C8 alkenylthio; to compounds of formula (II.a) or (II.b), wherein R1 and R3 have one of the above definitions; R4 represents halogen, -OR4a, -SR4a , -O-SO2-R4a or a group -NR4bR4c; R5 and R6 represent C1-C8 alkyl, C1-C8 haloalkyl, C3-C8 cycloalkyl, benzyl or phenyl or together with the nitrogen atom to which they are bound represent a 3- to 8-membered heterocycle; to Lewis acid adducts of compounds of formula (II.b); to the use of compounds of formula (II.a) or (II.b) and of the Lewis acid adducts thereof for producing compounds of formula (I) or (VI); and to a method for converting said compounds to the corresponding 3-difluoromethylpyrazole-4-yl carboxylic acids.
Abstract translation:本发明涉及一种用于制备式-3-二氟甲基吡唑(I)化合物其中R1是H,卤素,硝基,C1-C8烷基,C1-C8卤代烷基,C3-C8环烷基,苯基,萘基,杂芳基, 氰基,-C(= O)-OR1a,-C(= O)-NR1bR1c,-C(= O)-SR1d或-C(= S)-SR1e基; R2是H,C1-C4烷基,苄基或苯基; R 3为H,卤素,C1-C8烷氧基,C1-C8卤代烷氧基,C3-C8环烷氧基,C2-C8链烯氧基,C1-C8烷硫基,C1-C8卤代烷硫基,C3-C8-环烷硫基或C 2 -C C8-烯硫基;式(二.a)或(二.b)的化合物,其中R 1和R 3具有以上给出的含义之一; R 4是卤素,-OR4a,-SR4a,-O-SO2-R4A或一组-NR4bR4c基; R5和R6是C1-C8烷基,C1-C8卤代烷基,C3-C8环烷基,苄基或苯基或一起与氮原子到它们所键合的,代表3-至8-元杂环; 式(二.b)化合物的路易斯酸加合物;使用(二.a)或(二.b)和路易斯酸加合物,式I化合物的对式(I)或(VI)的化合物的制备方法; 并且这些化合物转变成相应的3-二氟甲基吡唑-4-基甲磺酸的方法。
Abstract:
The present invention relates to diaminotriazine compounds and to their use as herbicides. It also relates to agrochemical compositions for crop protection and to a method for controlling unwanted vegetation.
Abstract:
LA PRESENTE INVENCIÓN SE REFIERE A COMPUESTOS DE DIAMINOTRIAZINA DE LA FÓRMULA (I) Y A SU USO COMO HERBICIDAS. LA PRESENTE INVENCIÓN TAMBIÉN SE REFIERE A COMPOSICIONES AGROQUÍMICAS PARA LA PROTECCIÓN DE CULTIVOS Y A UN MÉTODO PARA CONTROLAR LA VEGETACIÓN NO DESEADA EN DONDE TODAS LAS VARIABLES SON COMO SE DEFINEN EN LA REIVINDICACIÓN 1, LO QUE INCLUYE SUS SALES ACEPTABLES EN LA AGRICULTURA.