Three new chalcanol glucosides have been isolated from the seeds of Trifolium alexandrinum, of which the first two are α′-chalcanol-α,β-epoxides and the third one is an α,β-dihydroxy-α′-chalcanol. The structures of the isolated compounds were verified by means of MS and 2D NMR spectral analyses.
Trifolium alexandrinum; Leguminosae; chalcanol glucosides
NCBI PubMed ID: 10703065Publication DOI: 10.1016/s0031-9422(99)00547-6Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Institute of Pharmaceutical Sciences, Hiroshima University School of Medicine, Hiroshima, Japan, Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut, Egypt
Methods: 13C NMR, 1H NMR, EI-MS, NMR-2D, TLC, HPLC, extraction, evaporation, centrifugation, HR-EI-MS
Found