反应详情

To a solution of the product of Step 3 (352 mg, 1.04 mmol) in EtOH (15 mL), was added 10% palladium on carbon (50 mg), followed with 1-methyl-1,4-cyclohexadiene (1.5 mL). This suspension was then heated to reflux for 45 min. The reaction mixture was filtered and concentrate to afford the title compound as a white solid (255 mg, 99%). MS (ES+) m/e 250 [M+H]+.

1. temperatureThis suspension was then heated
2. temperatureto reflux for 45 min
3. filtrationThe reaction mixture was filtered
4. concentrationconcentrate