2,3:5,6-di-O-isopropylidene-α-D-mannofuranose 、 3,4,6-tri-O-acetyl-1,2-dideoxy-D-glucopyranose 在
molecular sieve 、
silver imidazolate 、
碘 、 zinc(II) chloride 作用下,
以
乙腈 为溶剂,
生成
Acetic acid (2R,3R,4S,5S,6S)-3-acetoxy-2-acetoxymethyl-6-[(3aS,4R,6R,6aS)-6-(2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yloxy]-5-iodo-tetrahydro-pyran-4-yl ester 、 Acetic acid (2R,3R,4S,5S,6R)-3-acetoxy-2-acetoxymethyl-6-[(3aS,4R,6R,6aS)-6-(2,2-dimethyl-[1,3]dioxolan-4-yl)-2,2-dimethyl-tetrahydro-furo[3,4-d][1,3]dioxol-4-yloxy]-5-iodo-tetrahydro-pyran-4-yl ester