2-(2,5-dihydropyrrol-1-yl-sulfonyl)-aniline 、 2',3-O-isopropylidene-n6-(phenyloxyearbonyl)-adenosine-5'-ethyluronamide 以
四氢呋喃 为溶剂,
以23%的产率得到1-deoxy-N-ethyl-2,3-O-(isopropylidene)-1-[[6-[[[2-(2,5-dihydropyrrol-1-yl)sulfonylphenyl]amino]carbonyl]amino]-9H-purin-9-yl]-β-D-ribofuranuronamide