2-bromo-6-(3,4-difluorophenoxy)pyridine 、 (4-(3-fluoro-5-(tetrahydro-2H-pyran-2-yloxy)phenyl)-4-hydroxycyclohexane-1,1-diyl)bis(methylene) bis(4-methylbenzenesulfonate) 在
(1-(6-(3,4-difluorophenoxy)pyridin-2-yl)-2-oxabicyclo[2.2.2]octan-4-yl)methyl 4-methylbenzene-sulfonate 、 4-oxocyclohexane-1,1-diyl 、 methylene 作用下,
以The title compound was obtained (0.078 g, 0.156 mmol, 8% yield) as a light yellowish oil的产率得到(1-(6-(3,4-difluorophenoxy)pyridin-2-yl)-2-oxabicyclo[2.2.2]octan-4-yl)methyl 4-methylbenzene-sulfonate