1: With (benzotriazo-1-yloxy)tris(dimethylamino)phosphonium hexafluorophosphate; N-ethyl-N,N-diisopropylamine in tetrahydrofuran 0.0833333 h; 2: With sodium tetrahydroborate in tetrahydrofuran T=20°C; 0.333333 h; 3: With hydrogenchloride; water in tetrahydrofuran; diethyl ether

1: With sodium tetrahydroborate in methanol T=0°C; 1 h; Inert atmosphere; 2: With water in methanol