The alkoxy radical intermediates, produced by photolysis of several hydroxy compounds in the presence of diphenylselenuranes (1) and iodine, undergo intramolecular hydrogen abstraction to afford cyclic ethers in good yield.
通过在二苯基
硒烯(1)和
碘的存在下几种羟基化合物的光解而产生的烷氧基自由基中间体经过分子内氢提取,从而以良好的收率得到环状醚。