反应详情

4-{[(2-Hydroxy-ethyl)-methyl-amino]-methyl}-1H-indol-5-ol (Intermediate 5, 0.44 g, 2.0 mmol), 1,1′-Azobis(N,N-dimethylformamide) (0.52 mg, 3.0 mmol) and triphenylphosphine (0.79 mg, 3.0 mmol) was dissolved in THF (10 mL) and stirred at room temperature overnight. The mixture was evaporated and the crude material was purified by flash chromatography on silica gel using a MeOH-ethylacetate gradient, 4-32% MeOH, to give 136 mg of the title compound. MS m/z 203 [M+H]+.

1. customThe mixture was evaporated
2. customthe crude material was purified by flash chromatography on silica gel using a MeOH-ethylacetate gradient, 4-32% MeOH