Advertisement

Chemistry of Natural Compounds

, Volume 13, Issue 2, pp 174–177 | Cite as

Quinoid pigments of echinodermata III. Minor pigments of the sea urchin Strongylocentrotus nudus

  • E. A. Kol'tsova
  • G. N. Chumak
  • O. B. Maksimov
Article

Summary

1. 3-Acetyl-2,7-dihydroxy-6-methylnaphthazarin, not previously described, has been isolated from the test and needles of the sea urchinStronglyocentrotus nudus.

2. The pigments of this sea urchin have been shown to include 2,7-dihydroxynaphthazarin and spinochrome E.

3. A number of minor pigments forming naphthazarin derivatives has been isolated. One of them is connected with spinochrome C by mutual transformations.

Keywords

Organic Chemistry Mutual Transformation Naphthazarin Minor Pigment Spinochrome 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

Preview

Unable to display preview. Download preview PDF.

Unable to display preview. Download preview PDF.

Literature cited

  1. 1.
    N. K. Utkina, A. P. Shchedrin, and O. B. Maksimov, Khim. Prirodn. Soedin., 439 (1976).Google Scholar
  2. 2.
    E. A. Kol'tsova, O. V. Maksimov, N. K. Utkina, and A. P. Shchedrin, Dep. VINITI 106–74 [3].Google Scholar
  3. 3.
    H. Singh, R. T. Otaga, R. E. Moore, C. W. Chang, and P. J. Scheuer, Tetrahedron,24, 6053 (1968).Google Scholar
  4. 4.
    D. Becher, C. Djerassi, R. E. Moore, H. Singh, and P. J. Scheuer, J. Org. Chem.,31, 3650 (1966).Google Scholar
  5. 5.
    R. E. Moore, H. Singh, and P. Scheuer, J. Org. Chem.,31, 3645 (1966). S. Natori, Y. Inouye (née Kumada), and H. Nishikawa, Chem. Pharm. Bull. (Tokyo),15, 380 (1968).Google Scholar
  6. 6.
    E. Lederer, Biochim Biophys. Acta,9, 52 (1952); M. Youshida, J. Mar. Biol. Assoc.,38, 455 (1959); J. Smith and R. Thomson, Tetrahedron, 10 (1960).Google Scholar

Copyright information

© Plenum Publishing Corporation 1977

Authors and Affiliations

  • E. A. Kol'tsova
  • G. N. Chumak
  • O. B. Maksimov

There are no affiliations available

Personalised recommendations