1: 2,6-di-t-butyl-4-methylpyridine / CH2Cl2 2: 75 percent / Ph3P, Et3N / Pd(OAc)2 / dimethylformamide 3: 90 percent / m-chloroperoxybenzoic acid, Na2HPO4, 2-t-butyl-3-hydroxy-4-methylphenyl sulfide / CH2Cl2 / 8 h / Heating 4: 1.) LAH; 2.) Amberlite IR-120 H(1+) / 1.) THF, 70 deg C; 2.) methanol, reflux View Scheme