Archives of Pharmacal Research

The Pharmaceutical Society of Korea (대한약학회)
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A New (E)-4-Hydroxy-dodec-2-enedioic Acid from the Stem Bark of Albizzia julibrissin

  • Jung, Mee-Jung (Faculty of Food Science and Biotechnology, Pukyong National University) ;
  • Kang, Sam-Sik (Natural Products Research Institute, Seoul National University) ;
  • Choi, Jae-Sue (Faculty of Food Science and Biotechnology, Pukyong National University)
  • Published : 2003.03.01
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Abstract

A new unsaturated hydroxy acid was isolated from the stem bark extract of Albizzia julibrissin through repeated silica gel and Sephadex LH-20 column chromatography. The chemical structure of the new acid was determined as (E)-4-hydroxy-dodec-2-enedioic acid on the basis of several spectral data including 2D-NMR. The stereochemical feature of the double bond was determined to be E on the basis of the coupling pattern of related proton signals in the $^1H-NMR$ and COSY experiments.

Keywords

References

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