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Potassium phthalimide

8 H 4 KNO 2 \n| MolarMass = 185.221 g/mol\n| Appearance = Light yellow solid\n| MeltingPt = >\n| MeltingPtC = 300\n| Solubility = Soluble in water\n| Solvent = Methylene chlorid...

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Potassium phthalimide is a chemical compound of formula C8H4KNO2. It is the potassium salt of phthalimide, and usually presents as fluffy, very pale yellow crystals. It can be prepared by adding a hot solution of phthalimide in ethanol to a solution of potassium hydroxide in ethanol; the desired product precipitates.[1]

This compound is a commercially available reagent used in the Gabriel synthesis of amines.

References

  1. ↑P. L. Salzberg and J. V. Supniewski (1941). "β-Bromoethylphthalimide". Organic Syntheses; Collected Volumes, vol. 1, p. 119.