(3aR,4R,5R,6S)-6-(tetrahydropyran-2-yloxy)-4,5-isopropylidenedioxy-3a,4,5,6-tetrahydro-3H-cyclopent[c]isoxazole 在
magnesium bromide 作用下,
以
乙醚 为溶剂,
反应 18.0h,
以75%的产率得到(3aR,4R,5R,6S)-6-hydroxy-4,5-isopropylidenedioxy-3a,4,5,6-tetrahydro-3H-cyclopent[c]isoxazole