Abstract:
The present invention relates to a process using specific magnesium reagents for providing thio-triazolo group-containing compounds and for the synthesis of precursors therefor. The invention furthermore relates to intermediates and to their preparation.
Abstract:
The present invention relates to a method for producing 2- (aminomethylidene)-4,4dihalo-3-oxobutyric acid esters of the formula (I), where R 1 , R 2 , R 3 are C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 2 -C 6 -alkenyl, C 3 -C 10 -cycloalkyl or benzyl and/or R 2 together with R 3 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:
A process for preparing 1,3-disubstituted pyrazolecarboxylic esters of the formula (I); where X, Y, Z = hydrogen or halogen and R 1 = C 1 -C 6 -alkyl, by metering an enol ether of the formula (III); where R 2 is C 1 -C 6 -alkyl at from (-41) to (-8O)°C into an alkyl hydrazine of the formula II H 2 N-NH-lower alkyl (II).
Abstract:
N-Thio-anthranilamid compounds of Formula (I) wherein A is a group selected from A1 and A2 wherein the variables and the indices are as defined per the description, processes for preparing the compounds (I), pesticidal compositions comprising compounds (I), use of compounds (I) for the control of insects, acarids or nematodes, and methods for treating, controlling, preventing or protecting animals against infestation or infection by parasites by use of compounds of Formula (I).
Abstract:
Method for preparation of piperazindione derivates of formula I, wherein R 1 stands for hydrogen, alkyl, alkenyl, alkinyl and alkylcarbonyl, R 2 stands for hydrogen, alkyl, alkenyl, C 3 -C 4 -alkinyl and C(=O)R 11 , R 3 ,R 4 stand for hydrogen, alkyl and halogen-alkyl, wherein the groups can be substituted, characterized in that amines of formula II, in which R 1 stands for hydrogen and alkyl, which likewise can be substituted, are reacted under basic conditions in an aqueous solvent with N-acylated amino acid derivates of formula II, wherein X stands for halogen, Y halogen, alkoxy or phenyloxy, which can be substituted, and R 2 , R 3 and R 4 have the meaning above.
Abstract:
Piperazine compounds of formula (I), where the variables are defined according to the description, agriculturally suitable salts of said piperazine compounds, a method and intermediate products for the production of the piperazine compounds of formula (I), means comprising said compounds and use thereof as herbicides, i.e. to combat weeds, and a method for combating undesired plant growth wherein an amount of at least one piperazine compound of formula (I) large enough to have an herbicidal effect is allowed to take effect on plants, seeds and/or habitats thereof.
Abstract:
The present invention relates to a method for producing 2- (aminomethylidene)-4,4dihalo-3-oxobutyric acid esters of the formula (I), where R 1 , R 2 , R 3 are C 1 -C 6 -alkyl, C 1 -C 6 -haloalkyl, C 2 -C 6 -alkenyl, C 3 -C 10 -cycloalkyl or benzyl and/or R 2 together with R 3 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 1-(imidazolin-2-yl)amino-1,2-diphenylethane compounds of the formula I and their agriculturally acceptable salts, wherein A is a radical of the formula A1 or A2. The invention relates also to agricultural compositions and to seed comprising at least one compound I and/or a salt thereof, as well as a method of combating animal pests, a method for protecting crops from attack or infestation by animal pests and a method for protecting non-living materials from attack or infestation by animal pests, a method for the protection of seeds from animal pests and of the seedlings' roots and shoots from animal pests by applying a pesticidally effective amount of at least one 1-(imidazolin-2-yl)amino-1 ,2- diphenylethane compound I and/or a salt thereof.
Abstract:
α-Cyanoacrylates of the formula (I), where: R1 is ORa wherein Ra is hydrogen, substituted alkyl, branched alkyl, branched alkenyl, cycloloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; is NRbRc wherein Rb is hydrogen, alkyl which may be substituted, alkenyl, alkynyl; Rc is hydrogen, alkyl which may be substituted alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; or Rb and Rc form an alkandiyl-chain which may be substituted; or is SRd wherein Rd is hydrogen, alkyl which may be substituted, alkenyl, alkynyl, cycloalkyl, heterocyclyl, aryl, phenylalkyl or alkylimino; R2 is alkyl which may be substituted; is alkenyl or alkynyl; R3 is alkyl may be substituted; is alkenyl or alkynyl; R4 is hydrogen, halogen, cyano or alkyl; and their agriculturally useful salts, processes and intermediates for their preparation; and the use of these compounds or of compositions comprising these compounds for controlling undesirable plants are described.
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.