1: in tetrahydrofuran
T=0 - 20°C; Grignard reaction;
2: With hydrogenchloride; water in tetrahydrofuran
Grignard reaction;
3: With sodium hydroxide in tetrahydrofuran; water
T=0°C;
1: With sodium methylate; O,N-dimethyl-hydroxylamine hydrochloride in tetrahydrofuran
T=-20 - 0°C; Inert atmosphere;
2: With hydrogenchloride; water in tetrahydrofuran
2 h; Inert atmosphere;