Synthesis of hipposudoric and norhipposudoric acids: The pigments responsible for the color reaction of the red sweat of Hippopotamus amphibius

Yoko Saikawa, Kai Moriya, Kimiko Hashimoto, Masaya Nakata

Research output: Contribution to journal › Article

12 Citations (Scopus)

Abstract

Highly unstable pigments, hipposudoric acid and norhipposudoric acid, isolated from the red sweat of hippopotamus were synthesized using the Pschorr reaction for the construction of the fluorene nucleus as the key step and the careful oxidation in the last step.

Original languageEnglish
Pages (from-to)2535-2538
Number of pages4
JournalTetrahedron Letters
Volume47
Issue number15
DOIs
Publication statusPublished - 2006 Apr 10

Fingerprint

lissamine rhodamine B
Artiodactyla
Sweat
Pigments
Color
Acids
Oxidation
fluorene

Keywords

  • Fluorene
  • Hippopotamus amphibius
  • Hipposudoric acid
  • Norhipposudoric acid
  • Pschorr reaction

ASJC Scopus subject areas

  • Biochemistry
  • Organic Chemistry
  • Drug Discovery

Cite this

Synthesis of hipposudoric and norhipposudoric acids : The pigments responsible for the color reaction of the red sweat of Hippopotamus amphibius. / Saikawa, Yoko; Moriya, Kai; Hashimoto, Kimiko; Nakata, Masaya.

In: Tetrahedron Letters, Vol. 47, No. 15, 10.04.2006, p. 2535-2538.

Research output: Contribution to journal › Article

Saikawa, Y, Moriya, K, Hashimoto, K & Nakata, M 2006, 'Synthesis of hipposudoric and norhipposudoric acids: The pigments responsible for the color reaction of the red sweat of Hippopotamus amphibius', Tetrahedron Letters, vol. 47, no. 15, pp. 2535-2538. https://doi.org/10.1016/j.tetlet.2006.02.042
Saikawa Y, Moriya K, Hashimoto K, Nakata M. Synthesis of hipposudoric and norhipposudoric acids: The pigments responsible for the color reaction of the red sweat of Hippopotamus amphibius. Tetrahedron Letters. 2006 Apr 10;47(15):2535-2538. https://doi.org/10.1016/j.tetlet.2006.02.042
Saikawa, Yoko ; Moriya, Kai ; Hashimoto, Kimiko ; Nakata, Masaya. / Synthesis of hipposudoric and norhipposudoric acids : The pigments responsible for the color reaction of the red sweat of Hippopotamus amphibius. In: Tetrahedron Letters. 2006 ; Vol. 47, No. 15. pp. 2535-2538.
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