1.1
Reagents:
Lithium diisopropylamide
Solvents:
Tetrahydrofuran
;
-78 °C; 40 min, -78 °C
1.2
Solvents:
Tetrahydrofuran
;
-78 °C; 2 h, -78 °C
1.3
Reagents:
Ammonium chloride
Solvents:
Water
1.4
Reagents:
Lithium triethylborohydride
Solvents:
Tetrahydrofuran
;
-78 °C; 30 min
1.5
Reagents:
Sodium bicarbonate
Solvents:
Water
1.6
Reagents:
Hydrogen peroxide
Solvents:
Water
;
20 min, 0 °C
1.7
Reagents:
Boron trifluoride etherate
,
Triethylsilane
Solvents:
Dichloromethane
;
-78 °C; 2.5 h, -78 °C
1.8
Reagents:
Sodium bicarbonate
Solvents:
Water
;
5 min
1.9
Reagents:
Diisopropylethylamine
,
Di-tert-butyl dicarbonate
Solvents:
Acetonitrile
,
1,4-Dioxane
;
24 h, rt