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An Epoxidation/Ring-Opening Strategy
 |
(10) |
| Entry | Conditions | Results |
|---|---|---|
| 1 | TFPAA, CH3CN, Na2HPO4, DCM/MeOH 0 °C to rt | decomposition of 41 |
| 2 | CCI3CN, UHP, Na2HPO4, DCM/MeOH 0 °C to rt | complete decomposition |
| 3 | CH3CN, UHP, KHCO3, MeOH rt | complex mixture |
| 4 | MTO (10 mol%), UHP (2 equiv), MeOH, 0 °C | 44 (ca 10%)+TES-cleavage products |
