期刊
TETRAHEDRON LETTERS
卷 53, 期 32, 页码 4192-4194出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2012.05.144
关键词
Sea urchin; Toxopneustes pileolus; Pileotin; Marine-derived microorganisms; Aspergillus fumigatus; Oxalicine B; Cytotoxic activity
资金
- Ministry of Education, Culture, Sports, Science, and Technology, Japan
- Grants-in-Aid for Scientific Research [23590028] Funding Source: KAKEN
A new metabolite, pileotin A, was isolated from a strain of Aspergillus fumigatus originally obtained from the sea urchin Toxopneustes pileolus together with the known compound oxalicine B. The relative stereo-structure of pileotin A was elucidated based on spectroscopic analyses, including 1D and 2D NMR techniques. This unique pyridino-alpha-pyrone sesquiterpene type metabolite has spiro-delta-lactone at C-4. (C) 2012 Elsevier Ltd. All rights reserved.
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