From a methanol extract of stems of Alangium premnifolium, eight lignan derivatives were isolated. Structural elucidation by a spectroscopic method revealed that four of them were new lignan or neolignan glycosides.
neolignan glycoside, lignan glycoside, Alangiaceae, Alangium premnifolium, stems, lignans, alangilignosides A-D
Publication DOI: 10.1016/S0031-9422(96)00879-5Journal NLM ID: 0151434Publisher: Elsevier
Institutions: Institute of Pharmaceutical Sciences, Hiroshima University School of Medicine, 1-2-3 Kasumi, Minami-ku, Hiroshima 734, Japan
Methods: 13C NMR, 1H NMR, IR, FAB-MS, TLC, enzymatic hydrolysis, chemical methods, HPLC, UV, extraction