tert-Butoxy carbamate (Boc)
Protection :
-
-
DMAP, Et3N, Boc2O
CH2Cl2
RT, 4 h, 99%
DMAP, Et3N, Boc2O
CH2Cl2
4 °C to RT, 2 h, 99%
-
DMAP, Boc2O
MeCN
RT, 15 h, 96%
-
DMAP, Boc2O
THF
Reflux, 2 h, 100%
Deprotection :
-
-
CF3CO2H
CH2Cl2
0 °C, 4 h, 90%
-
Mg(ClO4)2
MeCN
45 °C, 90 min, 77%