oxygen; methylene blue in ethanol 7 h; Irradiation;

1: 1.) aq. NaOH / 1.) ethanol, heating, 2.) ethanol 2: 62 percent / O2, methylene blue / ethanol / 7 h / Irradiation View Scheme

1: 3-methyl-butan-1-ol / Heating 2: 1.) aq. NaOH / 1.) ethanol, heating, 2.) ethanol 3: 62 percent / O2, methylene blue / ethanol / 7 h / Irradiation View Scheme