Triethylamine → HCID 86633533, compound

Participants

Reaction Steps

tert-Butyl (±)-[(4aR*,6R*,8aS*)-8a-(2-fluorophenyl)-6-hydroxy-4a,5,6,7,8,8a-hexahydro-4H-benzo[d][1,3]thiazin-2-yl]carbamate obtained in Preparation Example 64-(4) (500 mg) was dissolved in THF. Then, perfluorobutanesulfonyl fluoride (0.43 mL, specific gravity: 1.682 g/cm3), a triethylamine-trihydrofluoric acid complex (0.39 mL, specific gravity: 0.989 g/cm3) and triethylamine (0.99 mL, specific gravity: 0.73 g/cm3) were sequentially added at room temperature. After completion of the addition, the mixture was stirred for 15 hours. The reaction solution was concentrated under reduced pressure and then the residue was purified by silica gel column chromatography to obtain the title compound (351 mg).

Provenance & Evidence