摘要:
The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylates of the formula I in which R1 is C1-C8-alkyl, C3-C8-cycloalkyl, C1-C4-alkoxy-C1-C4-alkyl, etc.; and R2 is hydrogen, C1-C4-alkyl, benzyl or phenyl, wherein a) a compound of the general formula II in which X is fluorine, chlorine or bromine, R1 has one of the meanings given above and R4 is C1-C8-alkyl, C3-C8-cycloalkyl, C2-C8-alkenyl, benzyl or phenyl, is reacted with a silane compound of the general formula R3nSiCl(4-n) in which n is 1, 2 or 3 and the substituents R3 are independently of one another selected from the group consisting of C1-C8-alkyl and phenyl and with a metal selected from the metals of groups 1, 2, 3, 4 and 12 of the Periodic Table of the Elements having a redox potential of less than −0.7 V, based on a normal hydrogen electrode (at 25° C. and 101.325 kPa); and b) the reaction mixture from step a) is reacted with a compound of the general formula III R2HN—NH2 (III) in which R2 has one of the meanings given above.
摘要:
The present invention relates to a process for preparing difluoromethyl-substituted pyrazol-4-ylcarboxylates of the formula I in which R1 is C1-C8-alkyl, C3-C8-cycloalkyl, C1-C4-alkoxy-C1-C4-alkyl, etc.; and R2 is hydrogen, C1-C4-alkyl, benzyl or phenyl, wherein a) a compound of the general formula II in which X is fluorine, chlorine or bromine, R1 has one of the meanings given above and R4 is C1-C8-alkyl, C3-C8-cycloalkyl, C2-C8-alkenyl, benzyl or phenyl, is reacted with a silane compound of the general formula R3nSiCl(4-n) in which n is 1, 2 or 3 and the substituents R3 are independently of one another selected from the group consisting of C1-C8-alkyl and phenyl and with a metal selected from the metals of groups 1, 2, 3, 4 and 12 of the Periodic Table of the Elements having a redox potential of less than −0.7 V, based on a normal hydrogen electrode (at 25° C. and 101.325 kPa); and b) the reaction mixture from step a) is reacted with a compound of the general formula III R2HN—NH2 (III) in which R2 has one of the meanings given above.
摘要:
The present invention relates to a process for preparing 3-difluoromethyl-substituted pyrazole compounds of the formula (I) in which R1 is 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)—SR1e; R2 is H, C1-C4-alkyl, benzyl or phenyl; R3 is H, halogen, C1-C8-alkoxy, C1-C8-haloalkoxy, C3-C8-cycloalkoxy, C2-C8-alkenyloxy, C1-C8-alkylthio, C1-C8-haloalkylthio, C3-C8-cyclo-alkylthio or C2-C8-alkenylthio; compounds of the formula (II.a) or (II.b), in which R1 and R3 each have one of the definitions given above; R4 is halogen, —OR4a, —SR4a, —O—SO2—R4a or an —NR4bR4c group; R5 and R6 are each C1-C8-alkyl, C1-C8-haloalkyl, C3-C8-cycloalkyl, benzyl or phenyl, or, together with the nitrogen atom to which they are bonded, are a 3- to 8-membered heterocycle; Lewis acid adducts of compounds of the formula (II.b); the use of compounds of the formula (II.a) or (II.b) and of the Lewis acid adducts for preparing compounds of the formula (I) or (VI); and to a process for converting such compounds to the corresponding 3-difluoro-pyrazol-4-ylcarboxylic acids.
摘要:
The present invention relates to a process for preparing 3-difluoromethyl-Substituted pyrazole compounds of the formula (I) in which R1 is 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)—SR1e; R2 is H, C1-C4-alkyl, benzyl or phenyl; R3 is H, halogen, C1-C8-alkoxy, C1-C8-haloalkoxy, C3-C8-cycloalkoxy, C2-C8-alkenyloxy, C1-C8-alkylthio, C1-C8-haloalkylthio, C3-C8-cyclo-alkylthio or C2-C8-alkenylthio; compounds of the formula (II.a) or (II.b), in which R1 and R3 each have one of the definitions given above; R4 is halogen, —OR4a, —SR4a, —O—SO2—R4a or an —NR4bR4c group; R5 and R6 are each C1-C8-alkyl, C1-C8-haloalkyl, C3-C8-cycloalkyl, benzyl or phenyl, or, together with the nitrogen atom to which they are bonded, are a 3- to 8-membered heterocycle; Lewis acid adducts of compounds of the formula (II.b); the use of compounds of the formula (II.a) or (II.b) and of the Lewis acid adducts for preparing compounds of the formula (I) or (VI); and to a process for converting such compounds to the corresponding 3-difluoro-pyrazol-4-ylcarboxylic acids.
摘要:
The present invention relates to pyrazolecarboxanilides I in which the variables are as defined below: n is zero or 2; m is 2 or 3; X1 is fluorine or chlorine; X2 is halogen; Y is CN, NO2, C1-C4-alkyl, C1-C4-haloalkyl, methoxy or methylthio; p is zero or 1; R1 is fluorine, chlorine, bromine, C1-C4-alkyl or C1-C4-haloalkyl; R2 is hydrogen or halogen; R3 is hydrogen, methyl or ethyl; W is O or S; with the proviso that, if a) W=O, R1=methyl and R3 is hydrogen, R2 is not fluorine, or b) W=O, n=0, m=2, p=0, R2 and R3 are hydrogen, R1 is not trifluoromethyl or difluoromethyl, to processes for preparing these compounds, to compositions comprising them and to methods for using them for controlling harmful fungi.
摘要:
The present invention relates to novel pyridylmethyl-sulfonamide compounds of formula (I) where: n is 0 to 4; m is 0 to 4; R1 is halogen, CN, NO2, OH, SH, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, etc.; and/or two radicals R1 together form a fused ring; R2 is H, C1-C4-alkyl, C1-C4-haloalkyl, C2-C4-alkenyl, C2-C4-alkynyl, C3-C8-cycloalkyl, C1-C4-alkyl-C3-C8-cycloalkyl or benzyl; R3 is halogen, CN, NO2, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy or C1-C4-haloalkoxy; Y is —O—, C1-C4-alkanediyl, —O—CH2—, —CH2—O—, —C(NORn)—, —S—, —S(═O)—, —S(═O)2— or —N(Rn)—; and the N-oxides, and salts thereof and their use for combating phytopathogenic harmful fungi, and also to compositions and seed comprising at least one such compound.
摘要:
Thiazolecarboxanilides of the formula I in which the variables are as defined below: A is X is halogen; Y is cyano, nitro, C1-C4-alkyl, C1-C4-haloalkyl, methoxy or methylthio; p is 0, 1; R1 is hydrogen, halogen, C1-C4-alkyl, C1-C4-haloalkyl; R2 is hydrogen, methyl, halogen; R3 is hydrogen, methyl, ethyl; W is O, S; and processes for preparing these compounds, compositions and seed comprising them and methods for controlling harmful fungi.
摘要:
6-Phenyltriazolopyrimidinylamines of the formula I, in which the substituents are defined according to the description, processes for preparing these compounds, compositions comprising them and their use for controlling phytopathogenic harmful fungi.
摘要:
5,6-Dialkyl-7-aminoazolopyrimidines of the formula I in which the substituents are as defined below: R1 is haloalkyl, haloalkoxyalkyl, alkoxyhaloalkyl, alkenyl, haloalkenyl, alkynyl oder haloalkynyl; R2 is alkyl, alkoxyalkyl, alkenyl or alkynyl; where R1 and/or R2 may be substituted according to the description; A is N or CH, and R3 is CH3 and, if A is CH, additionally hydrogen; processes and intermediates for preparing these compounds, compositions comprising them and their use for controlling phytopathogenic harmful fungi.
摘要:
The present invention relates to novel pyridylmethyl-sulfonamide compounds of formula (I) where: n is 0 to 4; m is 0 to 4; R1 is halogen, CN, NO2, OH, SH, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy, C1-C4-haloalkoxy, etc.; and/or two radicals R1 together form a fused ring; R2 is H, C1-C4-alkyl, C1-C4-haloalkyl, C2-C4-alkenyl, C2-C4-alkynyl, C3-C8-cycloalkyl, C1-C4-alkyl-C3-C8-cycloalkyl or benzyl; R3 is halogen, CN, NO2, C1-C4-alkyl, C1-C4-haloalkyl, C1-C4-alkoxy or C1-C4-haloalkoxy; Y is —O—, C1-C4-alkanediyl, —O—CH2—, —CH2—O—, —C(NORn)—, —S—, —S(═O)—, —S(═O)2— or —N(Rn)—; and the N-oxides, and salts thereof and their use for combating phytopathogenic harmful fungi, and also to compositions and seed comprising at least one such compound.