Abstract:
The present invention provides a substituted pyridine compound of the formula I or an agriculturally suitable salt or N-oxide thereof, wherein the variables in the formula I defined as in the description. Substituted pyridine compounds of formula I are useful as herbicides.
Abstract:
The present invention provides a substituted pyridine compound of the formula (I) or an agriculturally suitable salt or N-oxide thereof, wherein the variables in the formula (I) are defined as in the description. Substituted pyridine compounds of formula I are useful as herbicides.
Abstract:
The present invention relates to for manufacturing benzoxazinones of formula (I), characterized in that amino compounds of formula (II) are added to an acid; wherein the substituents are defined according to the specification.
Abstract:
The present invention relates to a process for providing a compound of formula (I):, wherein R is hydrogen or R', wherein R' is –(C 1 -C 4 )alkyl, and Hal is a halogen, the process comprising the step of: reacting a compound of formula (II) wherein Hal is defined as above, with an alkali metal alkoxide of the formula XOR', wherein X is an alkali metal, and R' is defined as above.
Abstract:
The present invention relates to a process for manufacturing 4-propargylated amino- benzoxazinones of formula (I), comprising the following steps: step a) preparing propargyl chloride by reacting propargyl alcohol with thionyl chloride optionally in the presence of a catalyst; and step b) reacting the propargyl chloride prepared in step (a) with a NH-benzoxazinone of formula (II); wherein the variables are defined according to the description.
Abstract:
The present invention relates to a process for the preparation of the compounds (II) from the respective oxo compounds. Furthermore, he invention relates to a process for the preparation of triazole compounds from oxiranes II.
Abstract:
The present invention provides substituted pyrazine compounds of the formula (I) or N-oxides or agriculturally suitable salts thereof, wherein the variables in the formula (I) are defined as in the description. Substituted pyrazines of formula I are useful as herbicides.
Abstract:
Preparation of 2-substituted 4-amino-2,4-dihydro-[1,2,4]triazole 3-thiones of the formula (I), by reacting 1-substituted 4-amino-4H-[1,2,4]-triazolium salts with sulfur in water or in a protic organic solvent or mixtures of such solvents in the presence of a base.
Abstract:
Preparation of 2-substituted 2,4-dihydro-[1,2,4]triazole-3-thiones of the formula (III), comprising the steps i), diazotation of 2-substituted 4-amino-2,4-dihydro-[1,2,4]triazole- 3-thiones by treatment with inorganic nitrites and an acid or in the presence of organic nitrites in an organic solvent or water or mixtures thereof, giving the corresponding 4- diazo-2,4-dihydro-[1,2,4]triazole-3-thiones, and ii), reduction of the diazo intermediate to provide mixtures of compounds of the formula (III) and compounds of the formula (VII), by means of a reducing agent, followed by, iii), treating the reaction mixture with a reducing reagent suitable to cleave disulfide groups.