Chemistry of Natural Compounds

, Volume 18, Issue 2, pp 157–160 | Cite as

A study of the coumarins ofHaplophyllum obtusifolium. The structure of obtusidin and of obtusiprenin

  • A. D. Matkarimov
  • E. Kh. Batirov
  • V. M. Malikov
  • E. Seitmuratov


The epigeal part ofHaplophyllum obtusifolium Ledeb has yielded scopoletin and the following new coumarins: obtusidin, C15H16O5, mp 165–167°C, and obtusiprenin, C15H16O5, mp 139–140°C. It has been established on the basis of chemical and spectral characteristics that obtusidin has the structure of 3-(1′-1′-dimethylallyl)-7,8-dihydroxy-6-methoxycoumarin, and obtusipernin that of 5-(3′,3′-dimethylallyl)-7,8-dihydroxy-6-methoxycoumarin.


Coumarin Scopoletin Dimethylallyl Tetrahydroxyflavone Methylene Iodide 


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Copyright information

© Plenum Publishing Corporation 1983

Authors and Affiliations

  • A. D. Matkarimov
  • E. Kh. Batirov
  • V. M. Malikov
  • E. Seitmuratov

There are no affiliations available

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