Acetate (Ac)
Protection :
-
-
Ac2O, DMAP
CH2Cl2
RT, 2 h, 95%
Ac2O, DMAP
CH2Cl2
RT, 30 min, 95%
Ac2O, DMAP
CH2Cl2
RT, 4 h, 94%
Ac2O, DMAP
CH2Cl2
RT, ON, 89%
Ac2O, DMAP
CH2Cl2
RT, 30 min, 92%
Ac2O, DMAP
CH2Cl2
RT, 6 h, 66%
-
Ac2O, DMAP
Pyr
RT, 25 h, 72%
Ac2O, DMAP
Pyr
RT, 16 h, 66%
Ac2O, DMAP
Pyr
RT, 16 h, 76%
Ac2O, DMAP
Pyr
RT, 90 min, 87%
Ac2O, DMAP
Pyr
RT, 13 h, 91%
Ac2O, DMAP
Pyr
RT, 30 min, 96%
-
Ac2O, DMAP
CH2Cl2, Et3N
RT, 60 min, 80%
Ac2O, DMAP
CH2Cl2, Et3N
RT, 60 min, 97%
Ac2O, DMAP, Et3N
CH2Cl2
0 °C to RT, 30 min, 99%
Ac2O, DMAP, Et3N
CH2Cl2
RT, 20 h, 95%
Ac2O, DMAP, Et3N
CH2Cl2
RT, 4 h, 76%
-
Ac2O, DMAP
PhH
0 to 35 °C, 10 h, 84%
-
Ac2O
Pyr
RT, 15 min, 100%
Ac2O
Pyr
80-90 °C, 2 h, 92%
Ac2O
Pyr
Reflux, 2 h, 92%
-
-
Sc(OTf)3
Ac2O
0 °C, 2 h, 98%
-
BF3.OEt2
AcOH
50 °C, 18 h, 96%
-
Ac2O, Pyr
CH2Cl2
RT, 24 h, 92%
Deprotection :
-
-
K2CO3
MeOH
RT, 15 min, 100%
K2CO3
MeOH
0 °C, 15 min, 95%
K2CO3
MeOH
RT, 30 min, 82%
-
KOH
H2O, MeOH
Reflux, 2 h, 100%
KOH
H2O, MeOH
Reflux, 2 h, 85%
-
LiOH
H2O, THF
RT, 60 min, 92%
-
NH3
MeOH
0 °C, 30 min, 90%
-
-
NaOEt
EtOH
4 °C to RT, 10 h, 70%
-