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The 6-O-Boc Group
 | |||
|---|---|---|---|
| Entry | Conditions |
Products Yield (%) |
Anomeric Ratio (α:β) |
| 1 | 1.2 equiv NIS, 0.3 equiv TfOH, 3 equiv iPrOH, CH2Cl2, 0 °C |
34, 80 | 1:1 |
| 2 | 1.2 equiv NIS, 0.3 equiv TfOH, 3 equiv iPrOH, Et2O, 0 °C |
34, 74 | 1.5:1 |
| 3 | 1.2 equiv NIS, 0.3 equiv TfOH, CH2Cl2, 0 °C |
35, 16 | |
