反应详情

Sodium ethoxide (1.51 g. 22.6 mmol) was suspended in toluene (25 ml) and ethyl 2-[2-(4-fluorobenzoyl)pyridin-3-yloxy]acetate (3.5 g, 11.5 mmol) was added. The reaction was heated at reflux under an argon atmosphere. After 12 h, the reaction mixture was cooled to room temperature and the product was extracted into water. The aqueous layer was acidified with hydrochloric acid to give 2-carboxy-3-(4-fluorophenyl)-furo[3,2-b]pyridine as a solid (1.8 g).

1. temperatureThe reaction was heated
2. temperatureat reflux under an argon atmosphere
3. extractionthe product was extracted into water