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Diterpenes from Dysoxylum lukii Merr
- Zhang, Puzhao, Lin, Yuan, Wang, Fei, Fang, Dongmei, Zhang, Guolin
- Phytochemistry letters 2019 v.29 pp. 53-56
- Dysoxylum, diterpenoids, inhibitory concentration 50, spectral analysis, stems
- Six new diterpenes and two known compounds were isolated from the stems of Dysoxylum lukii Merr and characterized on the basis of spectral data. Dysokusone F(1), 2-Oxoneoclerod-3, 13Z-dien-15-ol (2), 3α-(4-Hydroxy-3,5-dimethoxy-benzoyloxyl)-clerod-14-ene-4β,13-diol (3), 3α-(4-Hydroxybenzoyloxyl)-clerod-14-ene-4β,13-diol (4), and 3α-(4-Hydroxy-3-methoxybenzoyloxyl)-clerod-14-ene-4β,13-diol (5) exhibited inhibitory effects against PTP-1B with IC50 values of 51.62±6.55, 56.74±7.96, 17.04±3.43, 28.96±4.59, and 19.70±2.57 μM, respectively.