8-[(3-fluoropyridin-2-yl)methoxy]-2,6-dimethylimidazo[1,2-a]pyridine-3-carboxylic acid hydrochloride 、
rac-3-amino-7,7,8,8,8-pentafluoro-2-methyloctan-2-ol hydrochloride 在
N-甲基吗啉 、 O-(benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium tetrafluoroborate 作用下,
以
N,N-二甲基甲酰胺 为溶剂,
以74%的产率得到rac-8-[(3-fluoropyridin-2-yl)methoxy]-2,6-dimethyl-N-(7,7,8,8,8-pentafluor-2-hydroxy-2-methyloctan-3-yl)imidazo[1,2-a]pyridine-3-carboxamide