Chemistry of Natural Compounds

, Volume 18, Issue 3, pp 310–314

Dimeric proanthocyanidins ofHibiscus cannabinus

  • Fam Van Tkhin'
  • B. Makhsudova
  • O. S. Otroshchenko
Article

Abstract

Two dimeric proanthocyanidins have been isolated from the bark and roots of kenaf of variety Uzbekskii 1574. On the basis of chemical transformations and NMR and mass-spectral analyses it has been established that the proanthocyanidins have the structure of a dehydro dimer of 3,3′,4′,5,7-pentahydroxyflavan and that of 8-(3-galloyloxy-3′,4′,5,7-tetrahydroxyflavan-4-yl)-3,3′,4′,5,7-pentahydroxyflavan, respectively, with a C4-C8 (or C6) bond between the flavan moieties.

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Literature cited

  1. 1.
    L. T. Pashinina, T. K. Chumbalov, V. I. Sheichenko, and R. Zh. Shukenova, Khim. Prir. Soedin., 204 (1978).Google Scholar
  2. 2.
    K. D. Sears and R. L. Casebin, Chem. Commun., 1437 (1968).Google Scholar
  3. 3.
    R. S. Tompson, D. Jacques, E. Haslan, and R. I. V. Tanner, J. Chem. Soc., Perkin Trans. I, 1387 (1972).Google Scholar
  4. 4.
    K. Weinges, W. Bähr, W. Ebert, K. Görits, and H. D. Marx, Fortschs. Chem. Org. Naturstoff.,27, 158 (1969).Google Scholar
  5. 5.
    K. Weinges, K. Görits, and F. Nader, Ann. Chem., 715 p. 164 (1968).Google Scholar
  6. 6.
    L. T. Pashinina, N. D. Storozhenko, and T. K. Chumbalov, Khim. Prir. Soedin., 735 (1976).Google Scholar

Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • Fam Van Tkhin'
  • B. Makhsudova
  • O. S. Otroshchenko

There are no affiliations available

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