Abstract
Crepidioside A, a guaian-like sesquiterpene lactone, is isolated fromCrepis multicaulis Ldb, and identified. The structure 15-glycoside-2-oxo-5,7α,6β(H)-guai-1(10),3(4),11(13)-trien-6,12-olide is found from an x-ray structure analysis. 8-Epi-isolipidiol is isolated fromCrepis tectorum L. Its new polymorphic crystal structure is found from an x-ray structure analysis.
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Additional information
Institute of Phytochemistry, Ministry of Science and Higher Education, Republic of Kazakhstan, fax (3212) 43 37 73, Translated from Khimiya Prirodnykh Soedinenii, No. 2, pp. 139–141, March–April, 2000.
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Fazylova, A.S., Turdybekov, K.M., Kadirberlina, G.M. et al. Molecular structure of crepidioside a and isolipidiol fromCrepis multicaulis . Chem Nat Compd 36, 177–180 (2000). https://doi.org/10.1007/BF02236425
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DOI: https://doi.org/10.1007/BF02236425