Abstract
Five new anthraquinone derivatives, auxarthrols D–H (1–5), along with two known analogues (6–7), were obtained from the culture of the marine-derived fungus Sporendonema casei. Their structures, including absolute configurations, were established on the basis of NMR, HRESIMS, and circular dichroism (CD) spectroscopic techniques. Among them, compound 4 represents the second isolated anthraquinone derivative with a chlorine atom, which, with compound 6, are the first reported anthraquinone derivatives with anticoagulant activity. Compounds 1 and 3 showed cytotoxic activities with IC50 values from 4.5 μM to 22.9 μM, while compounds 1, 3–4, and 6–7 showed promising antibacterial activities with MIC values from 12.5 μM to 200 μM. In addition, compound 7 was discovered to display potential antitubercular activity for the first time.
Funder
National Natural Science Foundation of China
Fundamental Research Funds for the Central Universities
Subject
Drug Discovery,Pharmacology, Toxicology and Pharmaceutics (miscellaneous),Pharmaceutical Science
Cited by
23 articles.
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