sodium hydroxide in water; tert-butyl alcohol 72 h; Ambient temperature;

With  sodium hydroxide in  water; tert-butyl alcohol 72 h;  Ambient temperature;   

Multi-step reaction with 4 steps 1: 100 percent / H2 / 20percent Pd(OH)2/C / ethanol / 2 h / 760 Torr / Ambient temperature2: CaCO3 / benzene / 4 h / 80 °C3: 97 percent / Zn-dust / tetrahydrofuran / 0.03 h / Heating4: imidazole / dimethylformamide / Ambient temperature  

Multi-step reaction with 3 steps 1: Zn / tetrahydrofuran / Heating2: acidic or basic hydrolyses with AG 50W-X2 ion exchange resin or aq. NaHCO3 3: imidazole  

Multi-step reaction with 2 steps 1: 97 percent / Zn-dust / tetrahydrofuran / 0.03 h / Heating2: imidazole / dimethylformamide / Ambient temperature