中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
11Β,13-二氢山莴苣苦素 | 11β,13-dihydrolactucopicrin | 125519-47-3 | C23H24O7 | 412.439 |
山莴苣苦素 | lactucopicrin | 65725-11-3 | C23H22O7 | 410.423 |
Ten guaianolides, including three previously unreported natural products, were isolated from the aerial parts of Cichorium intybus (Asteraceae), more commonly known as chicory. Two of the new compounds ( 8 and 9) were analogues of lactupicrin and 11/β,13-dihydrolactupicrin, respectively, with the C-15 oxidized to the aldehyde state. The third new natural product, which we have called mtybulide A (10), is an isomer of lactucin with the lactone closed to the C-8 oxygen rather than the C-6