1-((2R,3R,4S,5S)-3,5-difluoro-4-hydroxy-5-(hydroxymethyl)-3-methyl-tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione 、
(2S)-isopropyl 2-(chloro(naphthalen-2-yloxy)phosphorylamino)propanoate 在
叔丁基氯化镁 作用下,
以
四氢呋喃 为溶剂,
反应 19.25h,
以58%的产率得到(S)-2-[[(2S,3S,4R,5R)-5-(2,4-dioxo-3,4-dihydro-2H-pyrimidin-1-yl)-2,4-difluoro-3-hydroxy-4-methyl-tetrahydro-furan-2-ylmethoxy]-(naphthalen-2-yloxy)-phosphorylamino]-propionic acid isopropyl ester