3,3,6,6,8,8-hexamethyl-7-(2',2',5',5'-tetramethylcyclopent-3-ene-1-ylidene)-2,4-dioxabicyclo(3.3.0)octane 在
四氧化锇 、 lithium aluminium tetrahydride 作用下,
生成
3,3,6,6,8,8-hexamethyl-7-(2',2',5',5'-tetramethyl-3,4-dihydroxycyclopentylidene)-2,4-dioxabicyclo(3.3.0)octane