title: Penixanthones A and B, two new xanthone derivatives from fungus Penicillium sp. SYFz-1 derived of mangrove soil sample.
abstract: Two new xanthone derivatives, penixanthones A (1) and B (2), together with three known compounds, aspenicillide (3), 1,5-dihydroxy-3-methoxy-7-methyl-anthracene-9,10-dione (4) and 1,2-indandiol (5), were isolated from the ethyl acetate extract of a culture of the fungus Penicillium sp. SYFz-1, which was separated from a mangrove soil sample. The structures of these compounds were elucidated by spectroscopic methods including NMR and mass spectrometry. The absolute configurations of penixanthones A (1) and B (2) were determined on the basis of electronic circular dichroism (ECD) data analysis.
authors.affiliation: b School of Traditional Chinese Medicine, Southern Medical University , Guangzhou , P. R. China.
authors.forename: Huaming
authors.initials: H
authors.lastname: Tao
authors.affiliation: c Key Laboratory of Plant Resources Conservation and Sustainable Utilization , South China Botanical Garden, Chinese Academy of Sciences , Guangzhou , P. R. China.
authors.forename: Xiaoyi
authors.initials: X
authors.lastname: Wei
authors.affiliation: a Key Laboratory of Marine Bio-resources Sustainable Utilization/Guangdong Key Laboratory of Marine MateriaMedica/Research Center for Marine Microbes , South China Sea Institute of Oceanology, Chinese Academy of Sciences , Guangzhou , P. R. China.
authors.forename: Xiuping
authors.initials: X
authors.lastname: Lin
authors.affiliation: a Key Laboratory of Marine Bio-resources Sustainable Utilization/Guangdong Key Laboratory of Marine MateriaMedica/Research Center for Marine Microbes , South China Sea Institute of Oceanology, Chinese Academy of Sciences , Guangzhou , P. R. China.
authors.forename: Xuefeng
authors.initials: X
authors.lastname: Zhou
authors.affiliation: a Key Laboratory of Marine Bio-resources Sustainable Utilization/Guangdong Key Laboratory of Marine MateriaMedica/Research Center for Marine Microbes , South China Sea Institute of Oceanology, Chinese Academy of Sciences , Guangzhou , P. R. China.
authors.forename: Junde
authors.initials: J
authors.lastname: Dong
authors.affiliation: a Key Laboratory of Marine Bio-resources Sustainable Utilization/Guangdong Key Laboratory of Marine MateriaMedica/Research Center for Marine Microbes , South China Sea Institute of Oceanology, Chinese Academy of Sciences , Guangzhou , P. R. China.
authors.forename: Bin
authors.initials: B
authors.lastname: Yang
mesh_terms: D002942:Circular Dichroism; D009682:Magnetic Resonance Spectroscopy; D013058:Mass Spectrometry; D015394:Molecular Structure; D010407:Penicillium / Q000737:chemistry*; D012988:Soil Microbiology; D013057:Spectrum Analysis / Q000379:methods*; D053833:Wetlands; D044004:Xanthones / Q000302:isolation & purification*
chemical_list: D044004:Xanthones
keywords: Penicillium sp; cytotoxicity; penixanthones