4-(N,N-dimethlyamino)pyridine in dichloromethane Ambient temperature;

1: 83.5 percent / DMAP / CH2Cl2 / Ambient temperature 2: 20 percent / Bu3SnH, AIBN / benzene / 2 h / Heating; other phosphorylated precursors View Scheme

1: 83.5 percent / DMAP / CH2Cl2 / Ambient temperature 2: 20 percent / Bu3SnH, AIBN / benzene / 2 h / Heating; other phosphorylated precursors View Scheme

1: sec-phenethyl alcohol With methylmagnesium bromide in diethyl ether T=-78 - 20°C; 2: [(4R)-4-benzyl-2-oxo-oxazolidin-3-yl]-phosphonic acid diphenyl ester in diethyl ether; dichloromethane T=20°C; 19 h;