1839120-27-2Relevant articles and documents
PREPARATION OF SUBSTITUTED 3-ARYL-5-TRIFLUOROMETHYL-1,2,4-OXADIAZOLES
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, (2021/08/14)
The present invention relates to a process for the preparation of substituted 3-aryl-5- trifluoromethyl-1,2,4-oxadiazoles of formula (I), which can be obtained through reaction of amidoxime compounds of formula (II) with a haloacetic ester in the presence of a base.
PREPARATION OF SUBSTITUTED AROMATIC CARBOXAMIDES
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Page/Page column 14, (2021/06/11)
The present invention relates to a process for the preparation of substituted aromatic carboxamides of formula I, (formula I) which can be obtained through reaction of an aromatic carboxylic acid halide and an amine, whereas the process is conducted in the absence of an auxiliary base in a carboxylic acid ester as solvent.