Journal
TETRAHEDRON LETTERS
Volume 55, Issue 16, Pages 2749-2753Publisher
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.tetlet.2014.03.060
Keywords
Nigrospora oryzae; Pyrrolidinone; Indole alkaloid; Citrinin
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Funding
- National Science Foundation of China [41376160]
- Regional Innovation Demonstration Project of Guangdong Province Marine Economic Development [GD2012-D01-002]
- National Basic Research Program of China (973 Program) [2010CB833803]
- National High Technology Research and Development Program of China (863 Program) [2012AA092104]
- National Marine Public Welfare Research Project of China [201305017]
- Strategic Priority Research Program of Chinese Academy of Sciences [XDA11030402]
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A new pyrrolidinone, nigrospine (1), a new indole alkaloid, nigrospin A (2) and two new citrinins, nigrospins B and C (3-4) were isolated from a culture broth of the marine-derived fungal strain Nigrospora oryzae SCSGAF 0111. Their structures were determined by spectroscopic analysis, and the absolute configurations of 1 and 2 were determined by the Mosher ester technique. Compound 1 contains a rare 2,3-dihydro-benzofuran[2,3-c]2-pyrrolidone skeleton. (C) 2014 Elsevier Ltd. All rights reserved.
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