Abstract:
The invention relates to a process for preparing optically enriched isoxazoline compounds of formula (I), wherein the variables are as defined in the specification, and the shown enantiomer has at least 80% ee; by oxo-Michael addition of hydroxyl amine or its salt to an enone of formula (II), wherein the variables have the meanings given for formula (I), in the presence of a catalyst of formula (III) and a base.
Abstract:
Preparation of optionally substituted dihydroisoquinolines The present invention relates to a process for the preparation of optionally substituted dihydroi- soquinolines of the formula I
Abstract:
The present invention relates to a process for the preparation of substituted 3-aryl-5-trifluoromethyl-1,2,4-oxadiazoles (compounds I), which can be obtained through reaction of hydroxyamidine compounds of formula II with trifluoroacetyl halides IIa.
Abstract:
A process for reacting chemical compounds comprising the step of oxidizing a compound of formula (II) wherein R 1 and R 2 are halogen, and R 3 is -(C 1 -C 4 ) alkyl, in the presence of a peroxy reagent to obtain a compound of formula (III).
Abstract:
The present invention relates to a process for manufacturing benzoxazinones of formula (I), wherein the variables are defined according to the description, by reacting carbamates of formula (II) are reacted with carbamat-benzoxazinones of formula (III) in the presence of a base.
Abstract:
The present invention relates to carbamat-benzoxazinones of formula (I), wherein the variables are defined according to the description, 5 as well as to a process for manufacturing carbamat-benzoxazinones of formula (I), and to the use of carbamat-benzoxazinones of formula (I) in manufacturing benzoxazinones of formula (X).
Abstract:
The present invention relates to a process for manufacturing a benzoxazinone of formula (I), by reacting a nitro compound of formula (II)with a reducing agent to obtain an amino compound of formula (III), and then reacting the amino compound of formula (III) with an acid; wherein the variables are defined according to the description, and benzoxazinone of formula (I).
Abstract:
Verfahren zur Herstellung von Piperazindion-Derivaten der Formel (I), worin die Variablen gemäß der Beschreibung definiert sind, deren landwirtschaftlich geeignete Salze, dadurch gekennzeichnet, dass Piperazindion-Derivate der Formel (II), in der mindestens eine Gruppe aus R 1 und R 2 Wasserstoff bedeutet und die anderen Variablen die Bedeutung gemäß Formel (I) aufweisen, mit Alkylierungsmitteln der Formel (III): R-X, worin die Variablen gemäß der Beschreibung definiert sind, unter basischen Bedingungen in einem Zweiphasensystem in Anwesenheit eines Phasentransferkatalysators umgesetzt werden.