Tetrahydrofuran → HCID 66921021, compound

Participants

Reaction Steps

The olefin 1e (524 mg, 1.84 mmol) was dissolved in dry THF (70 mL). 9-BBN-H (0.5 M in THF) (7.34 mL, 3.67 mmol) was added and the solution was stirred over night. The solvent was removed by rotary evaporation and redissolved in THF (20 mL). MeOH (10 mL) was slowly added to the solution and when the gas evolution had ceased, H2O (20 mL) was added to the solution followed by NaBO3. The solution was filtered after it had been stirred for 18 hrs and the filtrate was diluted with EtOAc (70 mL) and washed with brine (2*50 mL). The organic phase was dried with Na2SO4, filtered and the solvent was evaporated in vacuo. The crude product was purified by flash chromatography (heptane: ethyl acetate 2:1) which gave the title compound (477 mg, 86%).

Provenance & Evidence