9-[(3aR,4R,6R,6aR)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-2-oxo-tetrahydro-2λ
4-furo[3,4-d][1,3,2]dioxathiol-4-yl]-6-methoxy-9H-purin-2-ylamine 在
ruthenium trichloride 、
sodium periodate 作用下,
以
水 、
乙腈 为溶剂,
以86%的产率得到9-[(3aR,4R,6R,6aR)-6-(tert-Butyl-diphenyl-silanyloxymethyl)-2,2-dioxo-tetrahydro-2λ
6-furo[3,4-d][1,3,2]dioxathiol-4-yl]-6-methoxy-9H-purin-2-ylamine