Water → HCID 57930893, compound

Participants

Reaction Conditions

Reaction Steps

Methyl 3-ethoxy-4-bromo-5-methoxybenzoate (300 mg) and 1-methyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole (324 mg) were dissolved in DME in a nitrogen atmosphere, and potassium phosphate (661 mg) and 1,1′-bis(diphenylphosphino)ferrocene palladium(II) chloride-CH2Cl2 complex (85 mg) were added to it at room temperature and degassed. The reaction liquid was stirred overnight at 90° C., then cooled to room temperature, water was added to it, and filtered through Celite. The filtrate was extracted with chloroform, washed with saturated saline water, and dried with sodium sulfate. Sodium sulfate was removed through filtration, the filtrate was concentrated under reduced pressure, and the residue was purified through silica gel column chromatography (hexane/ethyl acetate=100/0 to 40/60) to obtain the title compound as a white solid.

Provenance & Evidence