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 N-substituted (3-dihalomethylpyrazol-4-yl)carboxamides of the formula (I) in which R1 is optionally substituted phenyl or C3-C7-cycloalkyl, R1a is hydrogen or fluorine, or R1a together with R1 is optionally substituted C3-C5-alkanediyl or C5-C7-cycloalkanediyl, R2 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl or C1-C4-alkoxy-C1-C2-alkyl, X is F or Cl and n is 0, 1, 2 or 3; which comprises A) providing a compound of the formula (II) in which X is F or Cl, Y is Cl or Br and R2 has one of the meanings given above and B) reacting a compound of the formula (II) with carbon monoxide and a compound of the formula (III) in which R1, R1a and n have one of the meanings given above; in the presence of a palladium catalyst; to intermediates used for the preparation according to the process according to the invention, and also to processes for their preparation.
摘要:
The present invention relates to a process for preparing N-substituted (3-dihalomethylpyrazol-4-yl)carboxamides of the formula (I) in which R1 is optionally substituted phenyl or C3-C7-cycloalkyl, R1a is hydrogen or fluorine, or R1a together with R1 is optionally substituted C3-C5-alkanediyl or C5-C7-cycloalkanediyl, R2 is C1-C6-alkyl, C2-C6-alkenyl, C2-C6-alkynyl or C1-C4-alkoxy-C1-C2-alkyl, X is F or Cl and n is 0, 1, 2 or 3; which comprises A) providing a compound of the formula (II) in which X is F or Cl, Y is Cl or Br and R2 has one of the meanings given above and B) reacting a compound of the formula (II) with carbon monoxide and a compound of the formula (III) in which R1, R1a and n have one of the meanings given above; in the presence of a palladium catalyst; to intermediates used for the preparation according to the process according to the invention, and also to processes for their preparation.
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:
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.
摘要翻译:本发明涉及吡唑烷酰苯胺I,其中变量如下:n为0或2; m为2或3; X 1是氟或氯; X 2是卤素; Y是CN,NO 2,C 1 -C 4 - 烷基,C 1 -C 3 - 4 - 卤代烷基,甲氧基或甲硫基; p为零或1; R 1是氟,氯,溴,C 1 -C 4 - C 1-4烷基或C 1 -C 3 - 低级烷基; R 2是氢或卤素; R 3是氢,甲基或乙基; W为O或S; 条件是,如果a)WO,R 1 =甲基和R 3是氢,R 2不是氟,或b) WO,n = 0,m = 2,p = 0,R 2和R 3是氢,R 1不是三氟甲基或二氟甲基 ,制备这些化合物的方法,包含它们的组合物以及用于控制有害真菌的方法。
摘要:
5,6-Dialkyl-7-aminoazolopyrimidines of the formula I in which the substituents are as defined below: R1 is alkyl or alkoxyalkyl, R2 is alkyl, 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 pyrimidylmethyl-sulfonamide compounds and to their N-oxides, their agriculturally acceptable salts and their veterinarily acceptable salts and also to agricultural compositions comprising at least one such compound as active component, and also to their use for controlling harmful fungi. The present invention also relates to a method for controlling arthropod pests.
摘要:
The present invention relates to pyrazolecarboxamides of the formula I in which the variables are as defined below: X is trifluoromethyl; R1 is F, Cl, Br, C1-C4-alkyl or C1-C4-haloalkyl; R2 is hydrogen, halogen or C1-C4-alkyl; R3 is hydrogen, C1-C4-alkyl, C1-C4-haloalkyl, C2-C4-alkenyl, C2-C4-alkynyl or C3-C6-cycloalkyl; W is O or S; with the proviso that, if R3 is hydrogen and W is oxygen, a) R1 and R2 are not simultaneously methyl and F, respectively; b) R1 and R2 are not simultaneously trifluoromethyl and hydrogen or fluorine, respectively. to processes for preparing these compounds, to seeds and compositions comprising them and to methods for controlling harmful fungi.