(3aR,4S,4aS,7aS,8R,8aS)-3a,4a,5,6,7,7a,8,8a-octahydro-2,2,4,6,6-pentamethyl-4,8-etheno-4H-indeno[5,6-d]-1,3-dioxole-5,7-dione 在
二异丁基氢化铝 作用下,
以
四氢呋喃 、
正己烷 为溶剂,
以99%的产率得到(3aR,4S,4aS,5R,7S,7aS,8R,8aS)-3a,4a,5,6,7,7a,8,8a-octahydro-2,2,4,6,6-pentamethyl-4,8-etheno-4H-indeno[5,6-d]-1,3-dioxole-5,7-diol