3-bromomethyl-5-tert-butylthiophene-2-carboxylic acid methyl ester 、
2-Fluoro-4-[2-methoxy-6-(1-methyl-1H-pyrazol-4-yl)-pyridin-4-yl]-benzylamine 、
Dicaesio carbonate 在
silica gel 、 EtOAc hexanes 作用下,
以
乙腈 为溶剂,
以to give 5-tert-butyl-3-({2-fluoro-4-[2-methoxy-6-(1-methyl-1H-pyrazol-4-yl)-pyridin-4-yl]-benzylamino}-methyl)-thiophene-2-carboxylic acid methyl ester (60 mg, 26%) as a colorless oil的产率得到5-tert-butyl-3-({2-fluoro-4-[2-methoxy-6-(1-methyl-1H-pyrazol-4-yl)-pyridin-4-yl]-benzylamino}-methyl)-thiophene-2-carboxylic acid methyl ester