1: With isopropylmagnesium chloride in tetrahydrofuran T=20°C; 0.5 h; 2: With bis(dimethylamino)phosphorochloridate in tetrahydrofuran T=20°C; 14 h;

1: With isopropylmagnesium chloride in 1,3-dimethyl-imidazolidin-2-one T=-10 - 20°C; 2: With diethyl chlorophosphate in 1,3-dimethyl-imidazolidin-2-one T=0 - 20°C; 3: in n-heptane; isopropyl alcohol T=-6 - 50°C;