1: NaBH4, CeCl3*7H2O / CH2Cl2; ethanol / 0.17 h 2: 70 percent / para-methylated variant of Martin reagent / CH2Cl2 / 1) -100 deg C, 6 h, 2) warm to RT, 3) RT, 12 h 3: 86 percent / KOH / methanol; H2O / 12 h / Ambient temperature View Scheme