6-Benzo[1,3]dioxol-5-ylmethyl-4-phenyl-3-thioxo-3,4-dihydro-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65%的产率得到Acetic acid (2R,3R,4S,5R,6R)-4,5-diacetoxy-6-acetoxymethyl-2-(6-benzo[1,3]dioxol-5-ylmethyl-5-oxo-4-phenyl-3-thioxo-4,5-dihydro-3H-[1,2,4]triazin-2-yl)-tetrahydro-pyran-3-yl ester