54524-71-9
1-[(2R,3R,4R,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-2H-pyrazolo[3,4-d]pyrimidine-4-thione
+
108-24-7
乙酸酐
→
~70%
64372-70-9
[3,4-diacetyloxy-5-(4-sulfanylidene-2H-pyrazolo[3,4-d]pyrimidin-1-yl)oxolan-2-yl]methyl acetate