(3aS,4R,6S,7R,7aS)-6-Methoxy-7-(3-methoxy-benzyloxy)-2,2-dimethyl-4-pent-4-enyl-tetrahydro-[1,3]dioxolo[4,5-c]pyran 在
iodonium di(2,4,6-trimethylpyridine) perchlorate 作用下,
以
二氯甲烷 为溶剂,
反应 16.0h,
以40%的产率得到(3S,4S)-3-[(4R,5S)-5-((R)-6-Iodomethyl-tetrahydro-pyran-2-yl)-2,2-dimethyl-[1,3]dioxolan-4-yl]-4,7-dimethoxy-isochroman