5-[[[2-[(3aR,4R,6R,6aR)-6-(hydroxymethyl)-2,2-dimethyl-3a,4,6,6a-tetrahydrofuro[3,4-d][1,3]dioxol-4-yl]pyrazol-3-yl]amino]-methylsulfanylmethylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione 在
ammonium hydroxide 、 mercury dichloride 作用下,
以
四氢呋喃 为溶剂,
以53%的产率得到5-{Amino-[2-((3aR,4R,6R,6aR)-6-hydroxymethyl-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yl)-2H-pyrazol-3-ylamino]-methylene}-2,2-dimethyl-[1,3]dioxane-4,6-dione