copper(i) cyanide 、
[(2R,3R,4S,5S)-3,4-diacetyloxy-5-(5-iodo-4-oxo-3H-pyrrolo[2,1-f][1,2,4]triazin-7-yl)-4-methyloxolan-2-yl]methyl acetate 在
吡啶 作用下,
以31%的产率得到[(2R,3R,4S,5S)-3,4-diacetyloxy-5-(5-cyano-4-oxo-3H-pyrrolo[2,1-f][1,2,4]triazin-7-yl)-4-methyloxolan-2-yl]methyl acetate