Abstract
Benzoyl- and cinnamoylpyruvic acids have been investigated by X-ray diffraction. In crystals these acids exist as 2-hydroxy-4-oxo-4-phenyl-3(Z)-butenic and 4-hydroxy-2-oxo-6-phenyl-3(Z),5(E)-hexadienic acids, respectively, stabilized by intramolecular hydrogen bonding.
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Aliev, Z.G., Shurov, S.N., Nekrasov, D.D. et al. Character of Enolization of the β-Dicarbonyl Fragment in α , γ-Dioxocarboxylic Acids. Crystal and Molecular Structure of Benzoyl- and Cinnamoylpyruvic Acids. Journal of Structural Chemistry 41, 1041–1045 (2000). https://doi.org/10.1023/A:1010323410035
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DOI: https://doi.org/10.1023/A:1010323410035