Irradiation of a variety of model spirodiones related to the antitumour antibiotic Fredericamycin A in various solvents at 300 nm furnishes quantitative yields of γ-alkylidene γ-butyrolactones; its relevance to the typical shape alteration, photostability and consequent biological response of Fredericamycin is discussed.
在 300 nm 的各种溶剂中照射与抗肿瘤抗生素 Fredericamycin A 相关的各种模型
螺环酮,可提供 γ-亚烷基
γ-丁内酯的定量产率;讨论了它与 Fredericamycin 的典型形状改变、光稳定性和随后的
生物反应的相关性。