Exploring the Sponge Consortium <i>Plakortis symbiotica–Xestospongia deweerdtae</i> as a Potential Source of Antimicrobial Compounds and Probing the Pharmacophore for Antituberculosis Activity of Smenothiazole A by Diverted Total Synthesis
作者:Carlos Jiménez-Romero、Joanna E. Rode、Yeiry M. Pérez、Scott G. Franzblau、Abimael D. Rodríguez
DOI:10.1021/acs.jnatprod.7b00300
日期:2017.8.25
plakinidone B (2) and plakinidone C (3), as well as the known plakinidone (1), plakortolide F (4), and smenothiazole A (5). The structures of 1–5 were characterized on the basis of 1D and 2D NMR spectroscopic, IR, UV, and HRMS analysis. The absolute configurations of plakinidones 2 and 3 were established through chemical correlation methods, VCD/ECD experiments, and spectroscopic data comparisons. When assayed
从波多黎各的两个共生性海绵体Plakortis symbiotica – Xestospongia deweerdtae的两个集合中分离出具有生物活性的CHCl 3 -MeOH(1:1)提取物,提供了两个新的plakinidone类似物,分别称为plakinidone B(2)和plakinidone C(3),以及已知的Plakinidone(1),Plakortolide F(4)和Smenothiazole A(5)。的结构1 - 5进行了表征1D和2D NMR光谱学,IR,UV,和HRMS分析的基础上。plakinidones 2和3的绝对构型通过化学相关方法,VCD / ECD实验和光谱数据比较建立。当在体外测定对结核分枝杆菌ħ 37 RV,没有plakinidones的1 - 3显示显著活性,而smenothiazole A(5)是最活跃的化合物,表现出4.1微克/毫升的MIC