1,3,4,6-tetra-O-acetyl-D-fructofuranose 、
1,5-anhydro-2-deoxy-4,6-O-isopropylidene-3-O-n-pent-4-enoyl-D-arabino-hex-1-enitol 在
iodonium(di-γ-collidine) perchlorate 、 4 A molecular sieve 作用下,
以
二氯甲烷 为溶剂,
生成 Acetic acid (3S,4R,5R)-4-acetoxy-2,5-bis-acetoxymethyl-2-((4aR,6R,8aS)-2,2-dimethyl-4,4a,6,8a-tetrahydro-pyrano[3,2-d][1,3]dioxin-6-yloxy)-tetrahydro-furan-3-yl ester