(1R,2R,4R,6S)-4-(3-aminopyridin-4-yl)-2-((tert-butyldimethylsilyl)oxy)-1,6-dimethylcyclohexanol 、
3-amino-6-bromo-5-fluoropicolinic acid 在
水 、 NaCl(sat.) 、
magnesium sulfate 作用下,
以
乙酸乙酯 为溶剂,
以3-amino-6-bromo-N-(4-((1R,3R,4R,5S)-3-(tert-butyldimethylsilyloxy)-4-hydroxy-4,5-dimethylcyclohexyl)pyridin-3-yl)-5-fluoropicolinamide was obtained的产率得到3-amino-6-bromo-N-(4-((1R,3R,4R,5S)-3-(tert-butyldimethylsilyloxy)-4-hydroxy-4,5-dimethylcyclohexyl)pyridin-3-yl)-5-fluoropicolinamide