Three new compounds, namely siderochelins D (2), E (3), and F (4), together with one known siderochelin A (1), were isolated from Amycolatopsis sp. LZ149 and elucidated by spectroscopic analyses including1D- and 2D-NMR and X-ray single crystal diffraction. Compounds 1-3 showed antibacterial activity against Mycobacterium smegmatis.
Keywords: Amycolatopsis sp. LZ149; Bioassay-guided; Mycobacterium smegmatis; Siderochelin; X-ray single crystal diffraction.
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