5-溴-2-氰基吡啶 、 、
(5R)-3-[3-fluoro-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl]-5-(1H-1,2,3-triazol-1-ylmethyl)-1,3-oxazolidin-2-one 、
disodium;carbonate 、 在
silica gel 、
methanol-dichloromethane 作用下,
反应 4.5h,
以gave 191 mg (45%) of the product as a colourless solid, mp >215 (decomposed)的产率得到5-{2-fluoro-4-[(5R)-2-oxo-5-(1H-1,2,3-triazol-1-ylmethyl)-1,3-oxazolidin-3-yl]phenyl}pyridine-2-carbonitrile