Vitifolignans, 3,4-dibenzyltetrahydrofuran lignans from Anemone vitifolia Buch.-Ham

IF 3.2 2区 生物学 Q2 BIOCHEMISTRY & MOLECULAR BIOLOGY
Ya Lu , Xueyan Huang , Donovon A. Adpressa , Linyun Mou , Peter R. Taylor , Benjamin R. Clark
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引用次数: 0

Abstract

Anemone vitifolia is a small herb found in Asia that is used to treat a range of diseases in Chinese traditional medicine. GNPS-based molecular networking of an Anemone vitifolia specimen revealed the presence of a network containing numerous ions indicating the presence of lignans, several of which suggested that there might be previously undescribed compounds in the extract. Fractionation of the organic extract yielded five undescribed lignans, the vitifolignans, together with one known. The structures were identified based on extensive spectroscopic data analysis (NMR, HR-ESI-MS, and UV), coupling constant calculation and comparison with reported data. Their absolute configurations were determined by comparison of experimental ECD spectra with calculated spectra. Compounds 4/5 showed weak inhibition of LPS-induced NO production in mouse mononuclear macrophages.

Abstract Image

Vitifolignans, 3,4-dibenzyltetrahydrofuran lignans from Anemone vitifolia Buch.-Ham.
天葵是一种产于亚洲的小型草本植物,在中国传统医学中被用于治疗一系列疾病。基于 GNPS 的分子网络分析发现了一种含有大量离子的网络,表明存在木质素,其中几个离子表明提取物中可能存在以前未曾描述过的化合物。对有机萃取物进行分馏后,得到了五种未被描述的木质素(即葡萄木素)和一种已知的木质素。根据大量的光谱数据分析(核磁共振、HR-ESI-MS 和紫外光谱)、耦合常数计算以及与报告数据的比较,确定了这些化合物的结构。通过比较实验 ECD 光谱和计算光谱,确定了它们的绝对构型。化合物 4/5 对小鼠单核巨噬细胞中 LPS 诱导的 NO 生成有微弱的抑制作用。
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来源期刊
Phytochemistry
Phytochemistry 生物-植物科学
CiteScore
6.40
自引率
7.90%
发文量
443
审稿时长
39 days
期刊介绍: Phytochemistry is a leading international journal publishing studies of plant chemistry, biochemistry, molecular biology and genetics, structure and bioactivities of phytochemicals, including ''-omics'' and bioinformatics/computational biology approaches. Phytochemistry is a primary source for papers dealing with phytochemicals, especially reports concerning their biosynthesis, regulation, and biological properties both in planta and as bioactive principles. Articles are published online as soon as possible as Articles-in-Press and in 12 volumes per year. Occasional topic-focussed special issues are published composed of papers from invited authors.
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