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:[2]
References
- ^ Wiley, Richard H.; Knabeschuh, Louis H. (1955). "'2-Pyrones. XIII. The Chemistry of Coumalic Acid and its Derivatives". Journal of the American Chemical Society. 77: 1615. doi:10.1021/ja01611a062.
- ^ Richard H. Wiley and Newton R. Smith (1951). "Coumalic acid". Organic Syntheses. 31: 23. doi:10.15227/orgsyn.031.0023.
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