1: α-phenylbenzeneacetic acid With lithium diisopropyl amide in tetrahydrofuran; cyclohexane T=-20 - 20°C; 2: ethyl-α,α,α-trifluoroacetate in tetrahydrofuran; cyclohexane T=-65°C; 0.25 h; 3: With hydrogenchloride in tetrahydrofuran; cyclohexane; water

sulfuric acid in benzene 0.5 h; Ambient temperature;

1: 1.) Mg / 1.) ether, 2.) reflux, 5 h 2: aq. HCl / ethanol / 5 h / Heating 3: 99 percent / NaBH4 / ethanol / 0.33 h / Heating 4: 87 percent / conc. H2SO4 / benzene / 0.5 h / Ambient temperature View Scheme

1: 99 percent / NaBH4 / ethanol / 0.33 h / Heating 2: 87 percent / conc. H2SO4 / benzene / 0.5 h / Ambient temperature View Scheme