2,3-O-Isopropylidene-D-ribofuranosylamine 、
2-(1-氰基-2-甲氧基乙烯基)磺酰基-3-甲氧基丙-2-烯腈 以
乙腈 为溶剂,
以36%的产率得到(E)-2-[(E)-2-Cyano-1-((3aR,4R,6R,6aR)-6-hydroxymethyl-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylamino)-ethenesulfonyl]-3-((3aR,4R,6R,6aR)-6-hydroxymethyl-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-ylamino)-acrylonitrile