Chemistry of Natural Compounds p. 240 - 242 (1980)
Update date:2022-08-11
Topics:
Matkarimov, A. D.
Batirov, E. Kh.
Malikov, V. M.
Seitmuratov, E.
The epigeal part of Haplophyllum obtusifolium collected in Ustyurt has yielded β-sitosterol, isofraxetin, and a new coumarin - obtusinin - with the composition C15H18O6, mp 135-137 deg C (methanol), <α>D20 +140.9 deg (c 0.44; chloroform).The structure of obtusinin has been established on the basis of the results of a study of UV, IR, PMR, and mass spectra and also of some chemical transformations (hydrolysis, acetylation).
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