穗花杉双黄酮苷类成分研究（来自于穗花杉地上部分）
Indole alkaloid glycosides from the aerial parts of Strobilanthes cusia.
机构信息
Key Laboratory of Economic Plants and Biotechnology, Kunming Institute of Botany, Chinese Academy of Sciences , Kunming 650201, People's Republic of China.
出版信息
J Nat Prod. 2014 Dec 26;77(12):2590-4. doi: 10.1021/np5003274. Epub 2014 Nov 26.
Three indole alkaloid glycosides, strobilanthosides A-C (1-3), two known indole alkaloid glucosides (4 and 5), and five phenylethanoid glycosides (8-10) were isolated from the aerial parts of Strobilanthes cusia. The structures of the new compounds were elucidated by spectrometric analysis, and the absolute configurations of 1 and 2 were established by ECD spectrocsopy. N'-β-d-Glucopyranosylindirubin (5) showed weak antibacterial activity (MIC 62.5-125 μM) against Staphylococcus aureus.
从山菅兰的地上部分分离得到三种吲哚生物碱糖苷，即 stroblanthosides A-C（1-3），两种已知的吲哚生物碱葡萄糖苷（4 和 5）和五种苯乙醇苷（8-10）。通过光谱分析阐明了新化合物的结构，并通过 ECD 光谱法确定了 1 和 2 的绝对构型。N'-β-d-葡萄糖吡喃基 indirubin（5）对金黄色葡萄球菌表现出较弱的抗菌活性（MIC 62.5-125 μM）。
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