Oxygenations of vitamin E (.alpha.-tocopherol) and its model compound, 2,2,5,7,8-pentamethylchroman-6-ol, in the presence of potassium superoxide suspended in tetrahydrofuran, and unusual acyloin rearrangements
Oxygenations of vitamin E (.alpha.-tocopherol) and its model compound, 2,2,5,7,8-pentamethylchroman-6-ol, in the presence of potassium superoxide suspended in tetrahydrofuran, and unusual acyloin rearrangements