sodium methylate in tetrahydrofuran; methanol T=60°C; 0.333333 h;

1: 66 percent / amalgamated zinc, conc. HCl / toluene; acetic acid / 36 h / Heating 2: 81 percent / zinc chloride / acetic acid / 3 h / Heating 3: 91 percent / NaOMe / tetrahydrofuran; methanol / 0.33 h / 60 °C View Scheme

1: 81 percent / zinc chloride / acetic acid / 3 h / Heating 2: 91 percent / NaOMe / tetrahydrofuran; methanol / 0.33 h / 60 °C View Scheme