1: 3-fluoro-4'-propylbiphenyl With sec.-butyllithium in tetrahydrofuran; hexane; cyclohexane T=-71 - -62°C; Inert atmosphere; 2: boric acid trimethyl ester in tetrahydrofuran; hexane; cyclohexane T=-70 - 0°C; Inert atmosphere; 3: With hydrogenchloride; water in tetrahydrofuran; hexane; cyclohexane; ethyl acetate T=0°C;

1: 3-fluoro-4'-propylbiphenyl With n-butyllithium 2: tri-n-propyl borate 3: With hydrogenchloride in water

1.1: sec.-butyllithium / cyclohexane; hexane; tetrahydrofuran / 3 h / -74 - -65 °C / Inert atmosphere 1.2: 1 h / -75 - -68 °C 2.1: potassium carbonate / palladium on activated charcoal / toluene; water; Solmix A-11 / 3 h / Reflux; Inert atmosphere View Scheme