Multi-step reaction with 4 steps 1: 1,1'-carbonyldiimidazole / acetonitrile2: hydrogenchloride; water / ethyl acetate3: triethylamine / ethyl acetate; toluene4: dirhodium(II) tetraoctanoate / acetone / Reflux  

Multi-step reaction with 3 steps 1: 90 percent / K2CO3 / acetone / 4 h / Heating2: 100 percent / NaH / tetrahydrofuran / 2 h / 0 °C3: 100 percent / H2 / 10percent Pd/C / ethanol / 760 Torr / Ambient temperature  

Multi-step reaction with 5 steps 1: 90 percent / K2CO3 / acetone / 4 h / Heating2: 100 percent / NaH / tetrahydrofuran / 2 h / 0 °C3: 100 percent / H2 / 10percent Pd/C / ethanol / 760 Torr / Ambient temperature4: Et3N / CH2Cl2 / 1 h5: CH2Cl2 / 1 h  

Multi-step reaction with 8 steps 1: 90 percent / K2CO3 / acetone / 4 h / Heating2: 100 percent / NaH / tetrahydrofuran / 2 h / 0 °C3: 100 percent / H2 / 10percent Pd/C / ethanol / 760 Torr / Ambient temperature4: Et3N / CH2Cl2 / 1 h5: CH2Cl2 / 1 h6: 86 percent / anisole, TiCl4 / CH2Cl2 / 1 h / 0 °C7: 93 percent / γ-collidine / dimethylformamide / 1.5 h / 65 °C8: 98 percent / Et3N / toluene / 5 h / Ambient temperature  

Stage #1: With  lithium hydroxide hydrate; water; dihydrogen peroxide in  tetrahydrofuran T=0°C; 1 h; Stage #2: With  sodium sulfite in  tetrahydrofuran; water Stage #3: With  hydrogenchloride in  water Show Experimental Procedure  

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