1: With lithium diisopropyl amide in diethyl ether T=-60°C; 0.75 h; 2: With tri-isopropoxy-borane in diethyl ether T=-60 - 20°C; 3: With sodium hydroxide in diethyl ether T=20°C;

1: With n-butyllithium in diethyl ether T=-78°C; 1 h; 2: With tri-isopropoxy-borane in diethyl ether T=-78 - 20°C; 3: With sodium hydroxide in diethyl ether T=20°C;

dihydrogen peroxide in dichloromethane; water T=20°C; 20 h;