Yi-Fan Xia, Jin-Hui Zheng, Yan-Song Li, Ping Yu, Zhe Liu, Jie Zhou, Lei Fang
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引用次数: 0
Abstract
Two undescribed oxazole-containing diterpenoids (1-2) and a new diterpenoid (3) were isolated from the roots of Salvia miltiorrhiza. Their structures were elucidated by extensive HRESIMS and NMR spectroscopic analysis, and the absolute configurations of 1 and 3 were confirmed by comparison of the calculated and experimental electronic circular dichroism (ECD) spectra. Compound 1 represents the first example of an abietane diterpenoid with a benzo[d]oxazole unit fused in the ring B of the abietane skeleton. The cytotoxicity of 1-3 was evaluated against four human tumor cell lines (A549, MCF-7, HepG2, and PC-3), and 1-2 showed weak cytotoxic activities.
期刊介绍：
Fitoterapia is a Journal dedicated to medicinal plants and to bioactive natural products of plant origin. It publishes original contributions in seven major areas:
1. Characterization of active ingredients of medicinal plants
2. Development of standardization method for bioactive plant extracts and natural products
3. Identification of bioactivity in plant extracts
4. Identification of targets and mechanism of activity of plant extracts
5. Production and genomic characterization of medicinal plants biomass
6. Chemistry and biochemistry of bioactive natural products of plant origin
7. Critical reviews of the historical, clinical and legal status of medicinal plants, and accounts on topical issues.
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