醋酸甲脒 、
5-amino-4-β-D-(tetra-O-acetyl)glucopyranosylamino-1-methyl-2-methoxy-6-oxopyrimidine 以
乙二醇甲醚 为溶剂,
反应 3.0h,
以45%的产率得到Acetic acid (2R,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-(2-methoxy-1-methyl-6-oxo-1,6-dihydro-purin-9-yl)-tetrahydro-pyran-3-yl ester