反应详情

To a solution of (3-hydroxy-4-methylphenyl)-acetonitrile (1.7 g, 11.5 mmol) in acetone (100 ml), K2CO3 (7.9 g, 57.5 mmol) and 1-bromo butane (6.1 ml, 57.5 mmol) were added. The suspension was refluxed for 24 h and the solvent was evaporated under reduced pressure. The residue was dissolved in CH2Cl2 and washed with water and brine. The organic layer was dried over Na2SO4, filtered and the solvent evaporated under reduced pressure. The crude was purified by flash chromatography (petroleum ether:EtOAc 9.5:0.5) affording the title compound (1.43 g, 61% yield) as colourless oil.

1. temperatureThe suspension was refluxed for 24 h
2. customthe solvent was evaporated under reduced pressure
3. dissolutionThe residue was dissolved in CH2Cl2
4. washwashed with water and brine
5. dry with materialThe organic layer was dried over Na2SO4
6. filtrationfiltered
7. customthe solvent evaporated under reduced pressure
8. customThe crude was purified by flash chromatography (petroleum ether:EtOAc 9.5:0.5)