1: ethyl bromide With magnesium in tetrahydrofuran
T=50°C;
2: triethyl phosphite in tetrahydrofuran
T=50°C; 3 h;
3: With hydrogenchloride in water
T=20°C; Title compound not separated from byproducts;
1: ethyl bromide With magnesium in tetrahydrofuran
T=50°C;
2: triethyl phosphite in tetrahydrofuran
T=50°C; 3 h; Title compound not separated from byproducts;