2-(acetoxymethyl)-6-((2-(ethoxycarbonyl)allyl)sulfonyl)tetrahydro-2H-pyran-3,4,5-triyl triacetate 在
dipotassium peroxodisulfate 、
sodium benzenesulfonate 、
silver nitrate 作用下,
以
二甲基亚砜 为溶剂,
以50 %的产率得到ethyl 5,6,7,9-tetra-O-acetyl-4,8-anhydro-2,3-dideoxy-2-methylene-D-glycero-D-ido-nononate