• Corpus ID: 20439691

[Characterization of phenylpyruvic acid and beta-benzyl phenylpyruvic acid by UV, IR, MS, and 1H NMR].

@article{Li2003CharacterizationOP,
  title={[Characterization of phenylpyruvic acid and beta-benzyl phenylpyruvic acid by UV, IR, MS, and 1H NMR].},
  author={Guang Li and Lin Li},
  journal={Guang pu xue yu guang pu fen xi = Guang pu},
  year={2003},
  volume={23 1},
  pages={
          123-6
        }
}
  • Guang Li, Lin Li
  • Published 1 February 2003
  • Chemistry
  • Guang pu xue yu guang pu fen xi = Guang pu
Characterization of phenylpyruvic acid (PPA) and beta-benzyl phenylpyruvic acid (BPPA) by UV, IR, MS and 1H NMR has been carried out. It is found that the absorption at 240 and 365 nm are observed in the UV spectrum of PPA and the absorption at 210 nm is the only one in BPPA. These demonstrate that PPA has the olefinic alcohol structure and BPPA hasn't. The IR absorption at 1,624.38 and 1,697.25 cm-1 of PPA are originated from two carboxy C=O because of its gem-diol structure, and the…