An allylic hydroperoxide formed by the sensitized photooxidation of calarene causes a Hock cleavage. A revised stereochemistry of an aristolenol is given on the basis of the direction of oxygenation.
                                    由敏化光氧化卡拉烯形成的烯丙基
过氧化氢导致了霍克裂解。根据氧化的方向,给出了阿瑞斯托伦醇的修正立体
化学。