1-((2R,4S,5R)-5-(2-(bis(4-methoxyphenyl)(phenyl)methoxy)ethyl)-4-(((2-((2R,3S,5R)-5-(2,4-dioxo-3,4-dihydropyrimidin-1(2H)-yl)-3-(mercaptomethyl)tetrahydrofuran-2-yl)ethyl)thio)methyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione 、 2-[(2R,3S,5R)-3-[2-[(2R,3S,5R)-3-[[bis(4-methoxyphenyl)-phenylmethyl]sulfanylmethyl]-5-(2,4-dioxopyrimidin-1-yl)oxolan-2-yl]ethylsulfanylmethyl]-5-(2,4-dioxopyrimidin-1-yl)oxolan-2-yl]ethyl methanesulfonate 在
1,8-二氮杂双环[5.4.0]十一碳-7-烯 、
1,4-dithio-erythritol 作用下,
以
四氢呋喃 、
甲醇 为溶剂,
反应 24.08h,
以92%的产率得到1-[(2R,4S,5R)-5-[2-[bis(4-methoxyphenyl)-phenylmethoxy]ethyl]-4-[2-[(2R,3S,5R)-3-[2-[(2R,3S,5R)-3-[2-[(2R,3S,5R)-3-[[bis(4-methoxyphenyl)-phenylmethyl]sulfanylmethyl]-5-(2,4-dioxopyrimidin-1-yl)oxolan-2-yl]ethylsulfanylmethyl]-5-(2,4-dioxopyrimidin-1-yl)oxolan-2-yl]ethylsulfanylmethyl]-5-(2,4-dioxopyrimidin-1-yl)oxolan-2-yl]ethylsulfanylmethyl]oxolan-2-yl]pyrimidine-2,4-dione