Thionyl Chloride → HCID 57302192, 화합물

참여 물질

반응 단계

3-Benzoylacrylic acid (3 g.) was refluxed for 2 hours with 100 ml. of methylene chloride and 10 ml. thionyl chloride. Concentration to dryness gave 3-benzoylacrylyl chloride. Methanol (15 ml.) was added and the resulting solution stirred for 0.5 hour. Ether (35 ml.) was added. The resulting organic mixture was washed in sequence with 15 ml. of water, 15 ml. of 1 N sodium hydroxide and twice with 15 ml. of water, concentrated to an oil, the oil triturated with 25 ml. of hot hexane, decanted from insolubles and the hexane concentrated to yield methyl 3-benzoylacrylate (1.9 g., oil, m/e 190).

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