(R)-2-[(3aR,5R,6S,6aR)-6-(tert-Butyl-dimethyl-silanyloxy)-2,2-dimethyl-tetrahydro-furo[2,3-d][1,3]dioxol-5-ylmethyl]-dihydro-pyran-3-one 在
四丁基氟化铵 作用下,
生成 (3aR,3bS,8aR,9aR,10aR)-2,2-Dimethyl-octahydro-1,3,4,8,10-pentaoxa-pentaleno[1,2-b]naphthalen-4a-ol