3-[[(2R,3R,4R,5R,6S)-2-[[bis(4-methoxyphenyl)-phenylmethoxy]methyl]-6-phenoxy-4,5-bis[2-[2-[2-(2-phenylmethoxyethoxy)ethoxy]ethoxy]ethoxy]oxan-3-yl]oxy-[di(propan-2-yl)amino]phosphanyl]oxypropanenitrile 、 [(2R,3R,4R,5R,6S)-4,5-bis[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]-2-(hydroxymethyl)-6-phenoxyoxan-3-yl] (2-chlorophenyl) hydrogen phosphate;N,N-diethylethanamine 在
4,5-二氰基咪唑 、
叔丁基过氧化氢 作用下,
以
乙腈 、
癸烷 为溶剂,
反应 2.5h,
以74%的产率得到[(2R,3R,4R,5R,6S)-4,5-bis[2-[2-[2-(2-azidoethoxy)ethoxy]ethoxy]ethoxy]-3-[(2-chlorophenoxy)-hydroxyphosphoryl]oxy-6-phenoxyoxan-2-yl]methyl 2-cyanoethyl [(2R,3R,4R,5R,6S)-2-(hydroxymethyl)-6-phenoxy-4,5-bis[2-[2-[2-(2-phenylmethoxyethoxy)ethoxy]ethoxy]ethoxy]oxan-3-yl] phosphate