Irradiation of 1b (λ350 nm) in tert-butyl alcohol solution containing 5 leads to the novel ring system 9b in a single step. Similar reactions occur between 1a and both 5 and 6. Mechanisms of these transformations are discussed.
在包含5的
叔丁醇溶液中辐照1b(λ350 nm)可以一步完成新的环系9b。在1a以及5和6之间都会发生类似的反应。讨论了这些转换的机制。