1: With HgOAC in tetrahydrofuran; water T=20°C; 0.166667 h; 2: With perchloric acid in tetrahydrofuran; water 0.5 h; 3: With sodium hydroxide; sodium tetrahydroborate in tetrahydrofuran; water T=5°C; 1.25 h;

Jone's reagent in acetone T=10 - 20°C; 3 h;