{"title":"New polyketides from the mangrove-associated endophytic fungus <i>Phomopsis</i> sp. DHS-11.","authors":"Zhi-Kai Guo, Bi-Ting Chen, Dan-Dan Chen, Xiao-Ling Deng, Jing Xu","doi":"10.1080/10286020.2025.2482069","DOIUrl":null,"url":null,"abstract":"<p><p>Chemical investigation of the mangrove-derived fungus <i>Phomopsis</i> sp. DHS-11 led to the isolation of three new pyrone derivatives (<b>1</b>-<b>3</b>), and a new natural product (<b>4</b>). Their structures were identified by NMR spectroscopy and mass spectrometry. The configurations for the new pyrone derivatives were tentatively solved by comparison of <sup>13</sup>C NMR data and analysis of the coupling constants and NOESY correlations. Compounds <b>2</b> and <b>3</b> exhibited significant cytotoxicity against HepG2 with IC<sub>50</sub> values of 4.66 ± 0.35 µM and 6.07 ± 0.48 µM, respectively. Compound <b>3</b> showed moderate cytotoxicity against Hela cells with IC<sub>50</sub> value of 20.2 ± 4.93 µM.</p>","PeriodicalId":15180,"journal":{"name":"Journal of Asian Natural Products Research","volume":" ","pages":"1-6"},"PeriodicalIF":1.3000,"publicationDate":"2025-03-24","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"Journal of Asian Natural Products Research","FirstCategoryId":"3","ListUrlMain":"https://doi.org/10.1080/10286020.2025.2482069","RegionNum":3,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q3","JCRName":"CHEMISTRY, APPLIED","Score":null,"Total":0}
引用次数: 0
Abstract
Chemical investigation of the mangrove-derived fungus Phomopsis sp. DHS-11 led to the isolation of three new pyrone derivatives (1-3), and a new natural product (4). Their structures were identified by NMR spectroscopy and mass spectrometry. The configurations for the new pyrone derivatives were tentatively solved by comparison of 13C NMR data and analysis of the coupling constants and NOESY correlations. Compounds 2 and 3 exhibited significant cytotoxicity against HepG2 with IC50 values of 4.66 ± 0.35 µM and 6.07 ± 0.48 µM, respectively. Compound 3 showed moderate cytotoxicity against Hela cells with IC50 value of 20.2 ± 4.93 µM.
期刊介绍:
The Journal of Asian Natural Products Research (JANPR) publishes chemical and pharmaceutical studies in the English language in the field of natural product research on Asian ethnic medicine. The journal publishes work from scientists in Asian countries, e.g. China, Japan, Korea and India, including contributions from other countries concerning natural products of Asia. The journal is chemistry-orientated. Major fields covered are: isolation and structural elucidation of natural constituents (including those for non-medical uses), synthesis and transformation (including biosynthesis and biotransformation) of natural products, pharmacognosy, and allied topics. Biological evaluation of crude extracts are acceptable only as supporting data for pure isolates with well-characterized structures.
All published research articles in this journal have undergone rigorous peer review, based on initial editor screening and anonymized refereeing by at least two expert referees.