1.1
Reagents:
Acetic anhydride
,
Triethylamine
Catalysts:
4-(Dimethylamino)pyridine
Solvents:
Dichloromethane
;
2 h, 0 °C
1.2
Reagents:
Hydrogen
Catalysts:
Palladium
Solvents:
Methanol
;
overnight, 1 atm, rt
1.3
Reagents:
Triethylamine
Solvents:
Dichloromethane
;
4 h, rt
1.4
Reagents:
Potassium carbonate
Solvents:
Methanol
,
Water
;
4 h, rt
1.5
Reagents:
Oxalyl chloride
,
Thionyl chloride
Solvents:
Dichloromethane
;
-78 °C; 10 min, -78 °C
1.6
Solvents:
Dichloromethane
;
30 min
1.7
Reagents:
Triethylamine
;
heated; 20 min, rt
1.8
Reagents:
Sodium borohydride
,
Sodium triacetoxyborohydride
Solvents:
1,2-Dichloroethane
;
overnight, rt
1.9
Reagents:
Sodium bicarbonate
Solvents:
Water
;
rt
1.10
Reagents:
Triethylamine
Solvents:
Dichloromethane
;
4 h, rt