1: 1.4 g / H2O / 336 h / Ambient temperature 2: 0.49 g / methanol; diethyl ether / 4 h / Ambient temperature 3: 64 percent / HCl / methanol / 1 h / Heating 4: 77 percent / KOH / H2O; methanol / 22 h / 26 - 30 °C 5: 13 mg / AcOH / H2O / 96 h / 24 - 29 °C View Scheme

1: 57 percent / methanol / 24 h / Heating 2: 77 percent / KOH / H2O; methanol / 22 h / 26 - 30 °C 3: 13 mg / AcOH / H2O / 96 h / 24 - 29 °C View Scheme

1: 57 percent / methanol / 24 h / Heating 2: 77 percent / KOH / H2O; methanol / 22 h / 26 - 30 °C 3: 13 mg / AcOH / H2O / 96 h / 24 - 29 °C View Scheme

1: 0.49 g / methanol; diethyl ether / 4 h / Ambient temperature 2: 64 percent / HCl / methanol / 1 h / Heating 3: 77 percent / KOH / H2O; methanol / 22 h / 26 - 30 °C 4: 13 mg / AcOH / H2O / 96 h / 24 - 29 °C View Scheme

1: 64 percent / HCl / methanol / 1 h / Heating 2: 77 percent / KOH / H2O; methanol / 22 h / 26 - 30 °C 3: 13 mg / AcOH / H2O / 96 h / 24 - 29 °C View Scheme

1: 77 percent / KOH / H2O; methanol / 22 h / 26 - 30 °C 2: 13 mg / AcOH / H2O / 96 h / 24 - 29 °C View Scheme

1: 1.4 g / H2O / 336 h / Ambient temperature 2: 0.49 g / methanol; diethyl ether / 4 h / Ambient temperature 3: 64 percent / HCl / methanol / 1 h / Heating 4: 77 percent / KOH / H2O; methanol / 22 h / 26 - 30 °C 5: 13 mg / AcOH / H2O / 96 h / 24 - 29 °C View Scheme