在
甲醇 、
氨 作用下,
以
二氯甲烷 为溶剂,
反应 7.0h,
以77%的产率得到1-[(3aR,4R,6S,6aS)-6-[[3-[(3aR,4R,6S,6aS)-6-[[3-[(3aR,4R,6S,6aS)-6-[[3-[(3aR,4R,6R,6aR)-6-[[2,3-dimethylbutan-2-yl(dimethyl)silyl]oxymethyl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-6-amino-2-oxopyrimidin-4-yl]methylsulfanylmethyl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-6-amino-2-oxopyrimidin-4-yl]methylsulfanylmethyl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-6-amino-2-oxopyrimidin-4-yl]methylsulfanylmethyl]-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]-4-amino-6-[[(4-methoxyphenyl)-diphenylmethoxy]methyl]pyrimidin-2-one