2-氰乙基N,N-二异丙基氯亚磷酰胺 、
4-tert-Butyl-N-{1-[(2R,3R,4R,5R)-3-[1-(2-chloro-4-methyl-phenyl)-4-methoxy-piperidin-4-yloxy]-4-hydroxy-5-(9-phenyl-9H-xanthen-9-yloxymethyl)-tetrahydro-furan-2-yl]-2-oxo-1,2-dihydro-pyrimidin-4-yl}-benzamide 在
N,N-二异丙基乙胺 作用下,
以
四氢呋喃 为溶剂,
以91%的产率得到4-tert-butyl-N-[1-[(2R,3R,4R,5R)-3-[1-(2-chloro-4-methylphenyl)-4-methoxypiperidin-4-yl]oxy-4-[2-cyanoethoxy-[di(propan-2-yl)amino]phosphanyl]oxy-5-[(9-phenylxanthen-9-yl)oxymethyl]oxolan-2-yl]-2-oxopyrimidin-4-yl]benzamide