1189352-80-4Relevant academic research and scientific papers
ISOXAZOLINE OXIMES AS ANTIPARASITIC AGENTS
-
Page/Page column 24, (2012/04/05)
This invention recites naphthyl isoxazoline oxime derivatives of Formula (1) geometric isomers, stereoisomers thereof, pharmaceutically or veterinarily acceptable salts thereof, compositions thereof, and their use as a parasiticide in animals. The variables, R1a, R1b, R1c, R2, R3, and are as described herein.
METHOD FOR PREPARING 3-TRIFLUOROMETHYL CHALCONES
-
Page/Page column 49, (2009/11/29)
Disclosed is a method for preparing a compound of Formula 1 wherein Q and Z are as defined in the disclosure comprising distilling water from a mixture comprising a compound of Formula 2, a compound of Formula 3, a base comprising at least one compound selected from the group consisting of alkaline earth metal hydroxides of Formula 4 wherein M is Ca, Sr or Ba, alkali metal carbonates of Formula 4a wherein M1 is Li, Na or K, 1,5-diazabicyclo[4.3.0]non-5-ene and 1,8-diazabicyclo[5.4.0]undec-7-ene, and an aprotic solvent capable of forming a low-boiling azeotrope with water. Also disclosed is a method for preparing a compound of Formula 2 comprising (1) forming a reaction mixture comprising a Grignard reagent derived from contacting a compound of Formula 5 wherein X is Cl, Br or I with magnesium metal or an alkylmagnesium halide in the presence of an ethereal solvent, and then (2) contacting the reaction mixture with a compound of Formula 6 wherein Y is OR11 or NR12 R13, and R11, R12 and R13 are as defined in the disclosure. Further disclosed is a method for preparing a compound of Formula 7 wherein Q and Z are as defined in the disclosure, using a compound of Formula 1 characterized by preparing the compound of Formula 1 by the method disclosed above or using a compound of Formula 1 prepared by the method disclosed above.
