Abstract:
PROBLEM TO BE SOLVED: To provide a process for preparing 3-phenyl(thio)uracils and -dithiouracils.SOLUTION: In the process for preparing 3-phenyl(thio)uracils and -dithiouracils, carbamates having X, X, Ar, and A in formula and enamines having X, R, R, and Rare made to react with each other (in formula, X, X, and Xrepresent oxygen or sulfur, Ar represents a phenyl residue, A represents an amino residue, and R, R, and Rrepresent hydrogen or the like).
Abstract:
The present invention relates to a crystalline form of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)-amino]sulfonyl]benzamide. The invention also relates to a process for the preparation of this crystalline form and to plant protection formulations which comprise this crystalline form of the phenyluracil.
Abstract:
The present invention relates to a crystalline form of 2-chloro-5-[3,6-dihydro-3-methyl-2,6-dioxo-4-(trifluoromethyl)-1-(2H)pyrimidinyl]-4-fluoro-N-[[methyl(1-methylethyl)-amino]sulfonyl]benzamide. The invention also relates to a process for the preparation of this crystalline form and to plant protection formulations which comprise this crystalline form of the phenyluracil.
Abstract:
Forma cristalina de 2-cloro-5-[3,6-dihidro-3-metil-2,6-dioxo-4-(tr ifluorometil)-1-(2H)pirimidinil]-4-fluoro-N-[[metil(1-metiletil)a mino]sulfonil]benzamida. También un proceso para la preparación de esta forma cristalina y formulaciones fitoprotectoras que comprenden esta forma cristalina del feniluracilo.
Abstract:
The present invention relates to a process for preparing 1-alkyl-3-phenyluracils of the formula I where the variables R1 to R7 are as defined in the description by reacting 3-phenyluracils of the formula II and alkylating agents of the formula III R1-L1 III, with one another, wherein during the entire reaction the pH is kept in a range from 1 to 6 by adding base a little at a time.
Abstract:
A process for preparing sulfonamides I where the variables are each as defined in the description, by reacting m-nitrobenzoyl chlorides II with amino sulfones III, under the influence of B equivalents of base IV, wherein, in step a), the amino sulfone III is reacted with B1 equivalents of base IV, and, in step b), the reaction mixture resulting from step a) is reacted with m-nitrobenzoyl chlorides II and B2 equivalents of base IV; where B, B1 and B2 are each as defined in the description.
Abstract:
Hidratos de 2-cloro-5-[3,6-dihidro-3-metil-2,6-dioxo-4-(trifluorom etil)-1-(2H)-pirimidinil]-4-flúor-N-[[metil-(1-metiletil)amino]su lfonil]benzamida. También un proceso para la preparación de estos hidratos y formulaciones destinadas a la fitoprotección que comprenden hidratos del feniluracilo I.
Abstract:
The present invention relates to a process for preparing 1-alkyl-3-phenyluracils of the formula I where the variables R1 to R7 are as defined in the description by reacting 3-phenyluracils of the formula II and alkylating agents of the formula III R1-L1 III, with one another, wherein during the entire reaction the pH is kept in a range from 1 to 6 by adding base a little at a time.
Abstract:
Forma cristalina II de 2-cloro-5-[3,6-dihidro-3-metil-2,6-dioxo-4-(trifluormetil)-1-(2H)-pirimidinil]-4-fluor-N-[[metil-(1metiletil)amino]sulfonil]-benzamida, en la que la porción de solvente en la red cristalina se encuentra por debajo de 10 % molar respecto de 2-Cloro-5-[3,6-dihidro-3-metil-2,6-dioxo-4-(trifluormetil)-1-(2H)-pirimidinil]-4-fluor-N-[[metil-(1metiletil)amino]sulfonil]benzamida.