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The sesquiterpene lactones ofStizolophus balsamita
Authors:K. S. Rybalko   M. N. Mukhametzhanov   V. I. Sheichenko  O. A. Konovalova
Abstract:Summary From the epigeal part ofStizolophus balsamita (Lam.) Cass. ex Takht. a new sesquiterpene lactone balsamin has been isolated with the composition C20H26O6, mp 242–244°C (from ethanol), [agr]D17 –45.70° (c 1.9; chloroform). Do the basis of the basis of the IR, UV, and PMR spectra of balsamin and its acetate, a stereochemical structure has been proposed for balsamin, and the structures of stizolin and stizolicin isolated previously from the same plant have also been supplemented by stereochemistry.All-Union Scientific-Research Institute of Medicinal Plants, Moscow. Translated from Khimiya Prirodnykh Soedinenii, No. 4, pp. 467–472, July–August, 1976.
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