1: 92 percent / SOCl2, pyridine / benzene / 1 h / Heating 2: 87 percent / benzene; diethyl ether 3: 69 percent / silver benzoate, (C2H5)3N / 1.) 24 h, 2.) reflux, 0.5 h 4: 96 percent / methanolic NaOH 5: 82 percent / polyphosphoric acid / 0.58 h / 70 °C 6: 1.) Raney Ni, 2.) H2 / 2.) Pd/C / 1.) ethyl acetate, reflux, 15 min, 2.) acetic acid, 70 deg C, 4 h, 50 psi 7: 55 percent / BBr3 / CH2Cl2 / 12 h View Scheme