diisobutylaluminium hydride in tetrahydrofuran T=25°C; 0.166667 h;

phosphorus trichoride in dichloromethane 1.5 h;

1: With iodine; magnesium in tetrahydrofuran T=20°C; 1 h; 2: 1-bromo-4-fluorobenzene in tetrahydrofuran T=3 - 40°C; 1 h; 3: phosphorous acid diethyl ester in tetrahydrofuran T=5 - 19°C; 1 h;

1: With diisobutylaluminium hydride; magnesium; lithium chloride in tetrahydrofuran; cyclohexane T=20°C; 2.16667 h; Schlenk techniqueInert atmosphere; 2: With phosphonic acid diethyl ester in tetrahydrofuran; cyclohexane T=-10 - 20°C; 18 h; Schlenk techniqueInert atmosphere;

in tetrahydrofuran T=0 - 20°C;

monobutyl butyl phosphonate; potassium hydride in diethyl ether 4 h;

tert-butyl alcohol T=20°C; 0.1 h; sealed tube;