Multi-step reaction with 7 steps
1: sodium hydride / tetrahydrofuran / 1 h / 25 °C
2: 80percent m-chloroperbenzoic acid / CH2Cl2 / 25 °C
3: 1.) hexamethylphosphoric triamide (HMPA), n-BuLi / 1.) THF, hexane, -78 deg C, 15 min, 2.) from -78 deg C to 25 deg C
4: 1.) hexamethylphosphoric triamide (HMPA), n-BuLi / 1.) THF, -78 deg C, 15 min, 2.) from -78 deg C to RT, 4 h
5: 88 percent / acetone; H2O / 20 h / Ambient temperature
6: tetra-n-butylammonium fluoride ((TBA)F), 4-Angstroem molecular sieves / tetrahydrofuran / -78 - 25 °C
7: 87percent m-chloroperbenzoic acid (MCPBA) / CH2Cl2 / 1 h / 25 °C
With
N,N,N,N,N,N-hexamethylphosphoric triamide; n-butyllithium; 4 A molecular sieve; tetrabutyl ammonium fluoride; sodium hydride; 3-chloro-benzenecarboperoxoic acid;
In
tetrahydrofuran; dichloromethane; water; acetone;