photolyzed. Upon irradation, whereas most of the derivatives underwent [2+2] photocyclization to give the corresponding novel trishomocubanones, the methyl and phenyl derivatives of 7 afforded products attributable to intramolecular hydrogen abstraction by the β-carbon of the α,β-unsaturated ketone along with the photocyclization products.
合成并光解了一系列 10-取代的
三环 [5.3.1.02,6] undeca-3,9-dien-8-ones (6) 和 4,9-dien-8-one 异构体 (7)。辐照后,大多数衍
生物经过 [2+2] 光环化得到相应的新型三
氯羟基酮,7 种的甲基和苯基衍
生物提供的产物可归因于 α,β-不饱和酮的 β-碳沿分子内夺氢与光环化产物。