2-(二甲氨基)-N-甲基乙酰胺 、 (2R,3S,4S,5R)-N-(2-bromopyridin-4-yl)-3-(3,4-difluoro-2-methoxyphenyl)-4,5-dimethyl-5-(trifluoromethyl)tetrahydrofuran-2-carboxamide 在
potassium phosphate 、
copper(l) iodide 、
(1R,2R)-(-)-N,N'-二甲基-1,2-环己二胺 作用下,
以
1,4-二氧六环 为溶剂,
生成 (2R,3S,4S,5R)-3-(3,4-difluoro-2-methoxyphenyl)-N-(2-(2-(dimethylamino)-N-methylacetamido)pyridin-4-yl)-4,5-dimethyl-5-(trifluoromethyl)tetrahydrofuran-2-carboxamide