Avppllbhfqeyfw-mqplbwkpsa- 在
硫酸 作用下,
以
丙酮 为溶剂,
反应 336.0h,
以70%的产率得到(1S,3S,4R,5S,6R,7R)-6-[(E,4S,6S)-4,6-dimethyloct-2-enoyl]oxy-7-hydroxy-1-[(4S,5R)-4-hydroxy-5-methyl-3-methylidene-6-phenylhexyl]-2,8-dioxabicyclo[3.2.1]octane-3,4,5-tricarboxylic acid