1: 67 percent / NaBH4, Cu(acac)2 / ethanol / 1.5 h 2: 94 percent / aq. NaOH / ethanol / 2 h / Heating 3: 1.) NOBF4 / 2.) tetrathiafulvalene / 1.) CH2Cl2, 0 deg C, 2.) aq. acetone, 30 min View Scheme