摘要:
The present invention relates to a process for preparing aryl-substituted fused pyrimidines of the general formula (I) in which L1 to L5 are H, halogen, CN, NO2, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy etc.; Y1 to Y3 are C—RY or N; RY is H or optionally substituted C1-C4-alkyl or two adjacent RY together form a ring; X is OH, Cl or Br; which comprises (i) the reaction of a 2-phenylmalonate with a compound (III) or a tautomer thereof, in the presence of a suitable base, where the alcohol, released during the reaction, of the formula R—OH is continuously removed from the reaction mixture under reduced pressure; giving a compound of the formula (I) or a salt thereof in which X is OH, and, if X in the compounds of the general formula (I) is chlorine or bromine, (ii) the reaction of the compounds of the formula (I) obtained in step (i) or the salts with a halogenating agent.
摘要:
The present invention relates to a process for preparing fluoromethyl-substituted heterocyclic compounds of the general formula (I) in which R1 is H or F; R2 is an -[A-O]m—R3 group in which A is C2-C4-alkanediyl, R3 is C1-C4-alkyl and m is 1 or 2; by converting the corresponding chloromethyl-substituted compounds (II) in the presence of fluorinating agents, to processes for preparing the chloromethyl-substituted compounds (II), to processes for preparing amides of the general formula (IV) and to compounds of the general formulae (I) and (II).
摘要:
The present invention relates to heteroaroyl-substituted alanines of the formula I in which the variables A and R1 to R7 are as defined in the description, and to their agriculturally useful salts, to processes and intermediates for their preparation, and to the use of these compounds or of compositions comprising these compounds for controlling unwanted plants.
摘要:
2-Substituted 7-aminoazolopyrimidines of the formula I in which the substituents are as defined below: R1 is hydrogen, halogen, cyano, alkyl, haloalkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, alkoxyalkyl, benzyloxyalkyl, alkoxyalkenyl or alkoxyalkynyl; R2 is hydrogen, halogen, cyano, alkyl, haloalkyl, alkenyl, alkynyl, cycloalkyl, alkoxy, alkoxyalkyl and alkylthioalkyl, where the carbon chains in R1 and/or R2 may be substituted according to the description; R3 is halogen, cyano, NRARB, hydroxyl, mercapto, alkyl, haloalkyl, cycloalkyl, alkoxy, alkylthio, cycloalkoxy, cycloalkylthio, carboxyl, formyl, alkylcarbonyl, alkoxycarbonyl, alkenyloxycarbonyl, alkynyloxycarbonyl, phenyl, phenoxy, phenylthio, benzyloxy, benzylthio, alkyl-S(O)m—; A is N and CRx; Rx is hydrogen or one of the groups mentioned under R3; processes and intermediates for preparing these compounds, compositions comprising them and their use for controlling phytopathogenic harmful fungi.
摘要翻译:2-取代的式I的7-氨基偶氮嘧啶,其中取代基如下:R 1是氢,卤素,氰基,烷基,卤代烷基,烯基,炔基,环烷基,烷氧基,烷氧基烷基,苄氧基烷基 ,烷氧基烯基或烷氧基炔基; R 2是氢,卤素,氰基,烷基,卤代烷基,烯基,炔基,环烷基,烷氧基,烷氧基烷基和烷硫基烷基,其中R 1和/或R 2可以根据描述代替; R 3是卤素,氰基,NR B,B,羟基,巯基,烷基,卤代烷基,环烷基,烷氧基,烷硫基,环烷氧基,环烷硫基 ,羧基,甲酰基,烷基羰基,烷氧基羰基,烯氧基羰基,炔氧基羰基,苯基,苯氧基,苯硫基,苄氧基,苄硫基,烷基-S(O) A是N和CR R x是氢或R 3中提到的基团之一; 制备这些化合物的方法和中间体,包含它们的组合物及其用于控制植物病原性有害真菌的用途。
摘要:
In a continuous process for the preparation of alkyl nitrites and dinitrites, an alkanol or dialkanol is first mixed with an aqueous mineral acid, the reaction mixture obtained is then reacted with an inorganic nitrite and the product obtained can then be isolated immediately.
摘要:
The invention relates to substituted pyrazolopyrimidines of formula (I) wherein the substituents have the following designations: L represents halogen, alkyl, halogenalkyl, alkenyl, alkoxy, amino, NHR, NR2, cyano, S(═O)nA1 or C(═O)A2, R representing alkyl or alkylcarbonyl, A1 representing hydrogen, hydroxy, alkyl, alkylamino or dialkylamino, n representing 0, 1 or 2, and A2 representing alkenyl, alkoxy, halogenalkoxy or one of the groups cited for A1; m represents 0 or 1 to 5; R1 represents alkyl, halogenalkyl, cycloalkyl, halogencycloalkyl, alkenyl, alkadienyl, halogenalkenyl, cycloalkenyl, alkinyl, halogenalkinyl or cycloalkinyl, phenyl, naphthyl, or a five-membered to ten-membered saturated, partially unsaturated or aromatic heterocycle containing between one and four heteroatoms from the group O, N or S; and R2 represents hydrogen or one of the groups cited for R1. Together with the nitrogen atom to which they are bonded, R1 and R2 can form a five-membered to six-membered ring that can be interrupted by an atom from the groups O, N and S, and R1 and/or R2 can also be substituted according to the description. Furthermore, in formula (I): X represents halogen, cyano, OH, alkyl, alkoxy or halogenalkoxy; Y represents a five-membered to ten-membered saturated, partially unsaturated or aromatic heterocycle according to the description, or a group X or another group according to the description; p represents 1 or 2, the groups Y being potentially different when p=2; and p represents 0, when X is according to the description. The invention also relates to methods and intermediate products for producing said compounds, agents containing the same, and the use thereof for controlling phytopathogenic fungi.
摘要:
The invention relates to novel biphenyl carboxamides of formula (I), wherein A, R, Z, X, Y, m and n have the meanings given in the description, to multiple methods for producing these substances, to their use for combating unwanted micro-organisms and to novel intermediate products and the production thereof.
摘要:
Triazolopyrimidines of formula (I), wherein the index and substituents have the following meaning: n=0 or a whole number of 1-5; R=halogen, cyano, hydroxy, cyanate, alkyl, alkenyl, alkinyl, halogenalkyl, halogenalkenyl, alkoxy, alkenyloxy, alkinyloxy, halogenalkoxy, cycloalkyl, cycloalkenyl, cycloalkoxy, alkoxycarbonyl, alkenyloxycarbonyl, alkinyloxycarbonyl, aminocarbonyl, alkylaminocarbonyl, dialkylaminocarbonyl, alkoximinoalkyl, alkenyloximinocarbonyl, alkinyloximinoalkyl, alkylcarbonyl, alkenylcarbonyl, alkinylcarbonyl, cycloalkylcarbonyl or a five to ten membered saturated, partially unsaturated or aromatic heterocycle, containing one to four heteroatoms from the group O, N or S; R1=alkyl, alkenyl, alkinyl, cycloalkyl, cycloalkenyl, phenyl, naphthyl or a five to ten membered saturated, partially unsaturated or aromatic heterocycle, containing one to four heteroatoms from the group O, N or S, R and/or R1 being able to be substituted according to the description; R2=alkyl, alkenyl or alkinyl which can be substituted by halogen, cyano, nitro, alkoxy or alkoxycarbonyl. The invention also relates to a method for the production of said compounds, agents containing same, and the use thereof in controlling noxious fungi.
摘要:
A process for preparing oxime ethers of the formula I, in which the substituents R1 and R2 can be identical or different and can each be cyano, alkyl, haloalkyl, cycloalkyl, phenyl and naphthyl, and R3 can be alkyl, by alkylation of oximes of the formula II under basic conditions with an alkylating agent from the group of alkyl halides, dialkyl sulfates and dialkyl carbonates, wherein the reaction is carried out in a mixture consisting of 5 to 25% by weight of polar aprotic solvents selected from the group of nitrites, N-alkylpyrrolidones, cyclic urea derivatives, dimethylformamide and dimethylacetamide, 55 to 95% by weight of nonpolar solvents selected from the group of aliphatic hydrocarbons, aromatic hydrocarbons, alkyl alkylcarboxylates and ethers, and 0 to 25% by weight of water, the contents thereof totaling 100%.
摘要:
The present invention describes a process for preparing isoxazoles of the formula I where: R1 is hydrogen, C1-C6-alkyl, R2 is hydrogen, C1-C6-alkyl, R3, R4, R5 are each hydrogen, C1-C6-alkyl or R4 and R5 together form a bond, R6 is a heterocyclic ring, n is 0, 1 or 2; which comprises preparing an intermediate of the formula VI where R1, R3, R4 and R5 are each as defined above, followed by halogenation, thiomethylation, oxidation and acylation to give compounds of the formula I. Furthermore, the invention describes novel intermediates for preparing the compounds of the formula I and novel processes for preparing the intermediates.