1-Bromo-3-chloropropane → HCID 13746933, compound

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Reaction Steps

Here, 1,3,4,5-tetrahydro-2H-3-benzazepin-2,4-dione (3.5 g, 0.020 mol) is suspended in dimethylformamide (30 ml) and potassium tert. butoxide (2.5 g) is added with stirring. After 10 minutes the resulting solution is added dropwise, while cooling with ice, to 1-bromo-3-chloro-propane (3.5 ml) in dimethylformamide (20 ml). After one hour it is poured onto ice water. After a short time the greasy precipitate crystallizes. The precipitate is suction filtered, dissolved in acetone, reprecipitated with water, suction filtered and dried.

Provenance & Evidence