1: in tetrahydrofuran; methanol T=-10 - -5°C; 2 h; 2: With sodium tris(acetoxy)borohydride in tetrahydrofuran; methanol T=-5°C; 1 h; 3: With hydrogenchloride; potassium hydroxide; trifluoroacetic acid more than 3 stages;

in chloroform T=25°C; enthalpie; Thermodynamic data;

Product distributionMechanism;