Feigrisolides A, B, C and D, New Lactones with Antibacterial Activities from Streptomyces griseus.
作者:YUAN-QING TANG、ISABEL SATTLER、RALF THIERICKE、SUSANNE GRABLEY、XIAO-ZHANG FENG
DOI:10.7164/antibiotics.53.934
日期:——
Four new lactone compounds, named feigrisolides A to D (1 to 4), have been isolated from Streptomyces griseus. The chemical structures were determined by detail analysis of their spectroscopic data and chemical transformations. Structurally, the feigrisolides A (1) and B (2) are hepta-lactones, feigrisolide C (3) and D (4) are 16-membered macrodiolides. Biological studies showed that feigrisolide B (2) exhibited strong antibacterial, as well as medium cyctotoxic, and antiviral activities. Feigrisolides A (1), C (3) and D (4) are medium inhibitors of 3α-hydroxysteroid-dehydrogenase (3α-HSD) inhibiting activity.
从灰葡萄链霉菌(Streptomyces griseus)中分离出了四种新的内酯化合物,命名为feigrisolides A至D(1至4)。通过对其光谱数据和化学转化的详细分析,确定了它们的化学结构。从结构上看,非格列色内酯 A(1)和 B(2)为庚内酯,非格列色内酯 C(3)和 D(4)为 16 元大环内酯。生物学研究表明,非格列色内酯 B (2) 具有很强的抗菌活性、中等的细胞毒性和抗病毒活性。Feigrisolides A (1)、C (3) 和 D (4) 是 3α-hydroxysteroid-dehydrogenase (3α-HSD) 的中等抑制剂。