1-(3,3-Diethoxypropyl)tetrahydropyrimidin-2-one → 3-(2-Oxo-tetrahydropyrimidin-1-yl)propionaldehyde

참여 물질

반응 단계

A mixture of 1-(3,3-diethoxypropyl)tetrahydropyrimidin-2-one (1 g, 4.35 mmole), and 1.0 g Dowex 50W2-200 ion exchange resin in 3% aqueous tetrahydrofuran (30 mL) was heated under reflux for 24 hours. The mixture was filtered, the filtrate was concentrated and the residue dissolved in dichloromethane (30 mL), dried with magnesium sulfate, and concentrated to give 3-(2-oxo-tetrahydropyrimidin-1-yl)-propionaldehyde (0.46 g).

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