Products of photoreduction of 9,10-phenanthrenequinone in the presence of N,N-dimethylanilines and polymethylbenzenes
作者:M.P. Shurygina、Yu.A. Kurskii、S.A. Chesnokov、G.A. Abakumov
DOI:10.1016/j.tet.2007.11.050
日期:2008.2
Photoreduction of 9,10-phenanthrenequinone (PQ) in the presence of p-substituted N,N-dimethylanilines and polymethylbenzenes affords corresponding phenolethers as primary products. In the subsequent process shielded from light, phenolethers, which were formed by photoreaction of PQ with N,N-dimethylanilines, were quantitatively converted to give corresponding ketols. Phenolethers of 9,10-phenanthrenequinone
在对位取代的N,N-二甲基苯胺和聚甲基苯存在下,对9,10-菲醌(PQ)进行光还原,可得到相应的酚醚作为主要产物。在随后的避光方法中,将PQ与N,N-二甲基苯胺的光反应形成的酚醚定量转化为相应的酮醇。9,10-菲醌和聚甲基苯的酚醚仅在辐射下和在存在第二个PQ分子的情况下才重新排列,形成酮醇。酚醚的稳定性取决于氧化还原性质和氢供体的结构。