Process for preparing alkyl 3-hydroxy-2,4,5-trifluorobenzoate and / or alkyl 3-alkoxy-2,4,5-trifluorobenzoate

摘要

The invention relates to alkyl 3-hydroxy-2,4,5-trifluorobenzo, comprising reacting 3-hydroxy-2,4,5-trifluorobenzoic acid with dialkyl carbonates at 80-200 ° C. And a method for preparing alkyl 3-alkoxy-2,4,5-trifluorobenzoate.