Abstract:
The invention relates to benzamides of formula I, wherein Q is Q1 or Q2 or Q3 or Q4, and their use as herbicides. In said formula I, R2 is R2cR2dNC(O)NR2n—Z2, both R4 and R5 are hydrogen, R1, R3 and R6 represent groups such as hydrogen, halogen or organic groups such as alkyl or phenyl. The invention further refers to a composition comprising such compound and to the use thereof for controlling unwanted vegetation.
Abstract:
The present invention relates to a process for providing a compound of formula (IV): wherein R1 and R2 are each independently C1-C4 alkyl, and Hal is independently Cl or Br, the process comprising the steps of: (i) reacting a compound of formula (II) wherein R1 and Hal is defined as above, to obtain a compound of formula (III) wherein R1 and Hal is defined as above, and (ii) reacting the compound of formula (III) to obtain the compound of formula (IV).
Abstract:
The present invention relates to a process for preparing substituted isatoic acid anhydride compounds of the formula (I) in which R1 is Cl, Br, I, or CN; and R2 is CH3, Cl, Br; using anthranilic acid derivative compounds of formula (III) and/or carbamate compounds of formula (II) wherein R1 and R2 are as defined above; RAr is CH3, Cl, NO2 and n is 0, 1, 2, 3, 4 or 5; The present invention relates also to the compounds of formula (II) and to processes comprising further preceding and/or subsequent reaction steps, leading to anthranilamide pesticides or to precursors for them.
Abstract:
The present invention relates to a process for preparing pyridylpyrazole compounds of the formula (I) starting from pyridylhydrazine of formula (II) The present invention relates also to processes comprising further preceding and/or subsequent reaction steps, leading to anthranilamide pesticides or to precursors for them.
Abstract:
The present invention relates to a process for preparing N-substituted 1H-pyrazole-5-carboxylic acid compounds of the formula I-A and derivatives thereof, in particular the corresponding carbonylchloride compounds (acid chlorides). It also relates to the use of these acid chlorides for preparing anthranilamide derivatives that are useful pesticides. in which the variables are as defined in the claims and the specification comprising the steps of i) reacting a compound of the formula (II) with a base selected from combinations of a magnesium-organic compound having a carbon bound magnesium and a secondary amine and magnesium amides of secondary amines in the presence of a lithium halide, where the base is used in an amount sufficient to achieve at least 80% deprotonation of the compound of formula (II); and subjecting the product obtained in step (i) to a carboxylation by reacting it with carbon dioxide or a carbon dioxide equivalent, to obtain a magnesium salt of the compound of formula (I-A) and optionally aqueous workup to obtain the compound of the formula (I-A) as a free acid.
Abstract:
The invention relates to benzamides of formula I, wherein Q is Q1 or Q2 or Q3 or Q4, and their use as herbicides. In said formula I, R2 is R2cR2dNC(O)NR2n—Z2, R5 is hydrogen, R1, R3, R4 and R6 represent groups such as hydrogen, halogen or organic groups such as alkyl or phenyl. The invention further refers to a composition comprising such compound and to the use thereof for controlling unwanted vegetation.
Abstract:
The present invention relates to a process for providing a compound of formula (I): wherein Hal is a halogen, the process comprising the step of: reacting a compound of formula (II) wherein Hal is defined as above, with an alkali metal sulfite of the formula X2SO3 and an alkali metal hydroxide of the formula YOH, wherein X and Y are independently selected from an alkali metal.
Abstract translation:本发明涉及提供式(I)化合物的方法:其中Hal为卤素,该方法包括以下步骤:使其中Hal如上定义的式(II)化合物与碱金属亚硫酸盐反应 的式X 2 SO 3和式YOH的碱金属氢氧化物,其中X和Y独立地选自碱金属。
Abstract:
The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylic acids and their esters, 2-(aminomethylidene)-4,4-difluoro-3- oxobutteric esters of the formula (I) in which R1, R2 and R3 independently of one another are C1-C6-alkyl, C1-C6-haloalkyl, C2-C6-alkenyl, C3-C10-cycloalkyl or benzyl or NR2R3 is a 5- to 10-membered heterocyclic radical, to a process for preparing compounds of the formula (I) wherein an appropriate 3-aminoacrylic ester is reacted with difluoroacetyl fluoride and to the use of compounds of the formula (I) in the process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylic acids and their esters.