3-methyl-2-methylthio-6-(tetra-O-acetyl-β-D-glucopyranosylamino)pyrimidin-4(3H)-one 、
丁炔二酸二甲酯 以
乙腈 为溶剂,
反应 39.0h,
以82%的产率得到2-Methylsulfanyl-6-((2R,3R,4S,5R,6R)-3,4,5-triacetoxy-6-acetoxymethyl-tetrahydro-pyran-2-ylamino)-pyridine-3,4-dicarboxylic acid dimethyl ester