反应详情

The product of step d) (80 mg, 0.35 mmol) was dissolved in 2 mL of 1:1 CHCl3 /HOAc. N-Bromo-succinimide (62 mg, 0.35 mmol) was added and the reaction was stirred for 15 minutes. Concentration and purification by silica gel chromatography gave the subtitle compound as a yellow oil.

1. concentrationConcentration and purification by silica gel chromatography