Glycosylated 24-membered lactones and unsaturated fatty acids from cold-seep-derived Bacillus sp. HDN 20-1259

Huang, Xiaofei; Wang, Youjie; Zhou, Liqin; Wang, Wenxue; Anjum, Komal; Zhang, Junyan; Zhang, Guojian; Zhu, Tianjiao; Li, Dehai; Che, Qian

doi:10.1016/j.tetlet.2023.154477

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2024

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“…Over the past 40 years, most related research has focused on the taxonomy of species [ 4 , 5 ] and the ecological role of microorganisms [ 6 , 7 ]. However, few studies have reported that new secondary metabolites are produced by cold seep-derived creatures [ 8 ].…”

Section: Introductionmentioning

confidence: 99%

New Phenol Derivatives from the Haima Cold Seep-Derived Fungus Aspergillus subversicolor CYH-17

Che,

Ding,

Xiao

et al. 2024

Marine Drugs

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Seven new phenol derivatives, subversins A–E (1–5), subversic acid A (6) and epi-wortmannine G (7); one new natural product, 4-hydroxy-7-methoxyphthalide (8); and five known compounds (9–13) were isolated from the fungus Aspergillus subversicolor CYH-17 collected from the Haima cold seep. The structures and absolute configurations of these compounds were determined via NMR, MS, optical rotation, electronic circular dichroism (ECD) calculation, X-ray diffraction analysis and comparison with the literature. Compounds 2 and 5 were two pairs of enantiomers. All compounds were tested for their α-glucosidase and acetylcholinesterase (AChE) inhibitory activity, antioxidant activity and antibacterial activity, but no obvious activity was observed among these studied compounds.

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