1-[5-bromo-6-(2-methyl-5-trifluoromethyl-2H-pyrazol-3-yloxy)-pyrimidin-4-yl]-piperidine-4-carboxylic acid ethyl ester 、
甲基硼酸 在
bis-triphenylphosphine-palladium(II) chloride
potassium carbonate 作用下,
以
DMF (N,N-dimethyl-formamide) 为溶剂,
以23%的产率得到1-[5-methyl-6-(2-methyl-5-trifluoromethyl-2H-pyrazol-3-yloxy)-pyrimidin-4-yl]-piperidine-4-carboxylic acid ethyl ester