dimethyl (1S,3R,4S,5R,6R,7R)-1-[(4S,5R)-4-acetyloxy-5-methyl-3-methylidene-6-phenylhexyl]-4,6,7-trihydroxy-3-(3-methyl-1H-1,2,4-triazol-5-yl)-2,8-dioxabicyclo[3.2.1]octane-4,5-dicarboxylate 在
2,4,6-三甲基吡啶 、 lithium iodide 作用下,
反应 45.0h,
生成 (1S,3R,4S,5R,6R,7R)-1-[(4S,5R)-4-acetyloxy-5-methyl-3-methylidene-6-phenylhexyl]-4,6,7-trihydroxy-3-(3-methyl-1H-1,2,4-triazol-5-yl)-2,8-dioxabicyclo[3.2.1]octane-4,5-dicarboxylic acid