6-[(3,4-dimethoxyphenyl)methyl]-4-phenyl-3-sulfanylidene-2H-1,2,4-triazin-5-one 、
2,3,4,6-四乙酰氧基-alpha-D-吡喃葡萄糖溴化物 在
氢氧化钾 作用下,
以
丙酮 为溶剂,
以67%的产率得到Acetic acid (2R,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-[6-(3,4-dimethoxy-benzyl)-5-oxo-4-phenyl-3-thioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl]-tetrahydro-pyran-3-yl ester