反应详情

5-Fluoroindole (4.96 g, 0.036 mol), 1,4-cyclohexanedione monoethylene ketal (7.17 g, 0.046 mol) and potassium hydroxide (6 g, 91 mmol) were heated to reflux in 70 ml methanol for 6 hours. The reaction was cooled and the product was isolated by filtration and washed with water to give 8.59 g (86%) of product as a white solid: mp 153-155° C.

1. temperatureThe reaction was cooled
2. customthe product was isolated by filtration
3. washwashed with water