A new coumarin — Obtusifol from Haplophyllum obtusifolium
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Conclusions
A new coumarin obtusifol, C15H16O6, with mp 149.5–150°C has been isolated fromHaplophyllum obtusifolium for the first time.
The structure of 2′- or 3′-(1-hydroxy-1-methylethyl)-8-methoxy[1,4]dioxano[g]coumarin has been proposed for obtusifol.
It has been shown that the genusHaplophyllum is close in respect of its coumarin composition to the genusPtaeroxylon.
Keywords
Coumarin Ferric Chloride Singlet Signal Esculetin Hydrobromic AcidPreview
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Literature cited
- 1.G. A. Kuznetsova and N. F. Gashimov, Abstracts of Lectures at an International Symposium on “The Chemistry of the Natural Compounds of the Balkan Flora,” Bulgaria (1971), p. A22.Google Scholar
- 2.G. A. Kuznetsova and N. F. Gashimov, Khim. Prirodn. Soedin., 666 (1972).Google Scholar
- 3.G. A. Kuznetsova and N. F. Gashimov, Khim. Prirodn. Soedin., 113 (1973).Google Scholar
- 4.G. A. Kuznetsova in: Natural Coumarins and Furocoumarins [in Russian], Leningrad (1967), p. 81.Google Scholar
- 5.F. M. Dean, and D. A. H. Taylor, J. Chem. Soc., (C), 114 (1966).Google Scholar
- 6.F. M. Dean and B. Parton, J. Chem. Soc. (C), 526 (1969).Google Scholar
- 7.E. Spath, and Z. Jermanowska, Ber.70, 698 (1937).Google Scholar
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© Plenum Publishing Corporation 1975