Coumalic acid explained

Coumalic acid is an organic compound with the molecular formula C6H4O4. Its melting point is around 210 °C.[1]

In laboratory coumalic acid may be obtained by self-condensation of malic acid in fuming sulfuric acid:

Notes and References

  1. Richard H.. Wiley. Louis H.. Knabeschuh. '2-Pyrones. XIII. The Chemistry of Coumalic Acid and its Derivatives. Journal of the American Chemical Society. 77. 1955. 1615. 10.1021/ja01611a062.

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