1: With triethylamine; isobutyl chloroformate in tetrahydrofuran T=-10°C; 0.333333 h; 2: With sodium tetrahydroborate in tetrahydrofuran; water 0.5 h; 3: With hydrogenchloride in tetrahydrofuran; water pH=7;

1: With triethylamine in tetrahydrofuran T=-10 - 0°C; 0.333333 h; 2: With sodium tetrahydroborate in tetrahydrofuran; water pH=7; 0.5 h;

1: With lithium triethylborohydride in tetrahydrofuran T=5 - 10°C; 1.16667 h; 2: With dihydrogen peroxide; acetic acid in tetrahydrofuran; methanol T=10 - 37°C;

manganese(IV) oxide in tetrahydrofuran; dichloromethane T=20°C; 37 h;