hydrogenchloride in tetrahydrofuran; cyclohexane Yield given;

1: With magnesium in tetrahydrofuran T=20°C; 8 h; 2: With N,N-diethylphosphoramidous dichloride in tetrahydrofuran T=20°C; 3: With hydrogenchloride in diethyl ether T=20°C; 1 h; Further stages.;

1: HCl View Scheme

phosphorus trichoride in dichloromethane 1.5 h; Yield given;

1: 77 percent / LiAlH4 / diethyl ether / 2 h / Heating 2: 47 percent / benzene / 20 h / Heating 3: 52 percent / KO-t-Bu / tetrahydrofuran / 4 h / Heating View Scheme

lithium aluminium tetrahydride in diethyl ether

1: 2-iodo-2',4',6'-triisopropyl-3,6-dimethoxybiphenyl With n-butyllithium in tetrahydrofuran; hexane T=-78°C; 1 h; Inert atmosphere; 2: chloro-bis(3,5-di(trifluoromethyl)-phenyl)phosphane With copper(l) chloride in tetrahydrofuran; hexane T=70°C; 18 h; Inert atmosphere;

oxygen in benzene 5 h;