The photooxygenation of homochiral cyclohexene ketals, which are easily available from 2-cyclohexenone and l-tartrates, affords hydroperoxides and after reduction the corresponding allylic alcohols in good yields and high regioselectivities. This can be rationalized by electronic repulsions in a perepoxide intermediate and provides evidence for unfavorable 1,3 diaxial interactions with a dioxolane
                                    可以容易地从2-
环己烯酮和
L-酒石酸酯获得的高手性
环己烯缩酮的光氧化作用提供了氢过氧化物,并且在还原后相应的烯丙基醇具有良好的收率和高的区域选择性。可以通过在过氧化物中间体中进行电子排斥来使其合理化,并提供与二
氧戊环氧原子发生不利的1,3双轴相互作用的证据。由于
环己烯环的柔性,仅观察到低的立体选择性。然而,可以分离非对映异构体,并且在裂解辅助物后,以对映体纯形式分离
4-羟基-
2-环己烯-1-酮,其可以用作
天然产物合成的基础。