2-O-(cytidin-5'-yloxyphosphoryl)-5-azidoacetamido-3,5-dideoxy-β-D-glycero-D-galacto-2-nonulopyranosonic acid 、
2-propynyl 2,3,4,6-tetra-O-acetyl-β-D-galactopyranoside 在
copper(l) iodide 、
N,N-二异丙基乙胺 作用下,
以
水 、
乙腈 为溶剂,
反应 2.0h,
以550 mg的产率得到(2R,4S,5R,6R)-2-[[(2R,3S,4R,5R)-5-(4-amino-2-oxopyrimidin-1-yl)-3,4-dihydroxyoxolan-2-yl]methoxy-hydroxyphosphoryl]oxy-4-hydroxy-5-[[2-[4-[[(2R,3R,4S,5S,6R)-3,4,5-triacetyloxy-6-(acetyloxymethyl)oxan-2-yl]oxymethyl]triazol-1-yl]acetyl]amino]-6-[(1R,2R)-1,2,3-trihydroxypropyl]oxane-2-carboxylic acid