gnpl_a_1425850_sm5064.pdf (828.37 kB)
8-isopentenyl isoflavone derivatives from the whole herb of Sphaerophysa salsula
journal contribution
posted on 2018-01-19, 12:20 authored by Li-Jin Jiao, Wei-Dong Wang, Yan-Duo Tao, Yun Shao, Li-Juan Mei, Zeng-Gen Liu, Qi-Lan Wang, Jun DangPhytochemical studies on the whole herb of Sphaerophysa salsula has resulted in the discovery of one new 8-isopentenyl isoflavone derivative, named sphaerosin s2 (3-(8-(2-hydroxypropan-2-yl)-3,4-dihydro-2H-furo[2,3-h]chromen-3-yl)-2,6-dimethoxyphenol) (1), along with four know 8-isopentenyl isoflavone derivatives (2–5). Compounds (2, 4 and 5) were isolated for the first time from this species. Their structures were elucidated on the basis of ESI-MS, UV, IR, 1D NMR and 2D NMR data.