Table 2: Iodine-mediated deprotection of N-tert butylcarbamates (1) (Scheme 1).

EntryN-tert butylcarbamates ( )Time (min)Producta ( )Yieldb (%)Yieldc (%) DCM solvent

1916960.table.002a130916960.table.002a29894
2916960.table.002b150916960.table.002b29082
3916960.table.002c190916960.table.002c29280
4916960.table.002d1120916960.table.002d29080
5916960.table.002e190916960.table.002e28280
6916960.table.002f1120916960.table.002f29085
7916960.table.002g1150916960.table.002g28680
8916960.table.002h160916960.table.002h29285
9916960.table.002i1120916960.table.002i29085
10916960.table.002j190916960.table.002j28278
11916960.table.002k1100916960.table.002k28580
12916960.table.002l1150916960.table.002l28276
13916960.table.002m1180916960.table.002m28072
14916960.table.002n1240916960.table.002n28680
15916960.table.002o1120916960.table.002o28478

aAll the reactions were carried out using the N-tert butylcarbamate 1 (1.0 mmol) and iodine (0.08 mmol) at room temperature.
bIsolated yield.
cAll the reactions were carried out using DCM (5 mL) at room temperature for 5-6 h.