4-(N,N-dimethlyamino)pyridine in acetonitrile T=60°C; 3 h;

1: With lithium triethylborohydride in tetrahydrofuran T=-78°C; 1 h; 2: With sodium hydrogen sulphate; water in tetrahydrofuran Product distribution / selectivity;

1: With lithium triethylborohydride in tetrahydrofuran T=-78°C; 1 h; 2: With sodium hydrogen sulphate; water in tetrahydrofuran Product distribution / selectivity;