1.1: HCl gas / ethyl acetate / 2.5 h / -5 - 0 °C 1.2: H2O / ethyl acetate / 36 h / 20 - 25 °C 2.1: 80 percent / H2SO4; EtOH; H2O / H2O / 4 h / 66 - 70 °C 3.1: 83 percent / Red-Al / toluene / 1.5 h / 60 - 62 °C 4.1: 82 percent / toluene / 80 - 90 °C 5.1: 80 percent / AlCl3 / 3 h / 170 °C 6.1: 90 percent / aq. NaOH / ethanol; H2O / Heating View Scheme

1.1: HCl gas / ethyl acetate / 2.5 h / -5 - 0 °C 1.2: H2O / ethyl acetate / 36 h / 20 - 25 °C 2.1: 80 percent / H2SO4; EtOH; H2O / H2O / 4 h / 66 - 70 °C 3.1: 83 percent / Red-Al / toluene / 1.5 h / 60 - 62 °C View Scheme