investigation of Pittosporum glabratum var. neriifolium EtOH extract led to four aromadendrane sesquiterpenoid glycosides, including one new, pitglabroside A (1), together with eight other kinds of constituents (5-12). Their structures were elucidated by comprehensive spectroscopic analysis, including 1D and 2D NMR, HRESIMS and ECD spectra. Four sesquiterpenoid glycosides (1-4) were evaluated for their inhibitory
Pittosporum glabratum变种的植物
化学研究。neriifolium EtOH
提取物导致四种芳香木苷
倍半萜糖苷,包括一种新的 pitglabroside A ( 1 ),以及其他八种成分 ( 5-12 )。它们的结构通过综合光谱分析阐明,包括一维和二维核磁共振、HRESIMS 和
ECD 光谱。评估了四种
倍半萜糖苷 ( 1-4 ) 对 LPS 诱导的 BV-2 小胶质细胞产生 NO 的抑制作用。化合物1和2显示出显着的抑制活性,IC 50值分别为 6.06 和 4.68 μ M。此外,结构-活性分析显示,sen
ECioic 基团在抗炎活性中比天使基团发挥更重要的作用。