| Structure Identification: |
| Nat Prod Res . 2020 Nov;34(21):3094-3100. | | A new demethyl abietane diterpenoid from the roots of Tripterygium wilfordii[Pubmed: 31230492] | | A new demethyl abietane diterpenoid, Triptotin K (3) together with three known compounds, friedelin (1), canophyllal (2), and Triptonoterpene (4) were isolated from the roots of Tripterygium wilfordii Hook. f. by silica gel column and preparative high performance liquid chromatography. Their structures were determined by extensive NMR data and mass spectroscopic analysis. Triptotin K showed cytotoxic activities against KB, KBv200, HepG2, and MCF-7/ADM cells lines with IC50 values of 29.88, 36.50, 39.55, and 41.38 μM, respectively. | | Planta Med . 1988 Aug;54(4):330-332. | | Studies on New Components and Stereochemistry of Diterpenoids from Trypterygium wilfordii[Pubmed: 17265278] | | An extensive investigation of the petroleum ether extract of TRIPTERYGIUM WILFORDII plants have revealed the presence of four new compounds, Triptonoterpene, neoTriptonoterpene, triptonodiol, and neotriptonolide, in addition to the diterpenes isolated and characterized earlier. The structures of these novel natural products have been elucidated. |
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