反应详情

30 g of 1-acetyl-4-(2,4-difluorobenzoyl)piperidine are brought to reflux in 113 ml of 6N hydrochloric acid for 6 hours. The reaction medium is then concentrated and the residue obtained is crystallized in isopropanol. The expected compound is isolated after filtration.

1. concentrationThe reaction medium is then concentrated
2. customthe residue obtained
3. customis crystallized in isopropanol