Abstract
The results are given of an investigation of three species of the genusHaplophyllum: H. villosum, H. kowalenskyi, andH. tenue, fromwhich five substances of coumarin nature have been isolated. Of them, two substances (I and II) have been identified as scopoletin and lomatin isovalerate, respectively, while suitable structures have been established for the new compounds tenuidin, villosin, and tenudiol. It has been shown that the coumarin composition of the plants changes with the growth site.
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Literature cited
A. A. Kagramanov, N. F. Gashimov, A. Z. Abyshev, and L. I. Rozhkova, Khimiya Prir. Soedin., 88 (1979).
F. Bohlmann and K. M. Rode, Chem. Ber.,101, 2741 (1968).
Additional information
Leningrad Sanitary-Hygienic Medical Institute. Translated from Khimiya Prirodnykh Soedinenii, No. 6, pp. 800–803, November–December, 1980.
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Abyshev, A.Z., Isaev, N.Y. & Kerimov, Y.B. Coumarins of three species of the genusHaplophyllum . Chem Nat Compd 16, 571–573 (1980). https://doi.org/10.1007/BF00564861
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DOI: https://doi.org/10.1007/BF00564861