Phosphorus oxychloride → Ethyl 3-(4-Chloro-6-methyl-2-methoxymethylpyrimidin-5-yl)propionate

関与物質

反応手順

A mixture of ethyl 3-(6-methyl-2-methoxymethyl-3H-pyrimidin-4-on-5yl)propionate (4.00 g, 15.6 mmol) and phosphorus oxychloride (25 mL) was heated under reflux for 2 h. The mixture was concentrated, cooled, and poured onto ice. 1N NaOH was added to bring the pH to 6 and the mixture was extracted with EtOAc. The extracts were dried (MgSO4) and concentrated to give 3.6 g (84%) of product as a brown oil.

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