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Structural determination of aspericins AC, new furan and pyran derivates from the marine-derived fungus Rhizopus sp. 2-PDA-61, by 1D and 2D NMR spectroscopy

✍ Scribed by Fazuo Wang; Tianjiao Zhu; Min Zhang; Aiqun Lin; Weiming Zhu; Qianqun Gu


Publisher
John Wiley and Sons
Year
2009
Tongue
English
Weight
102 KB
Volume
48
Category
Article
ISSN
0749-1581

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✦ Synopsis


Abstract

Three new furan and pyran derivatives named aspericins AC (1–3), as well as a known asperic acid (4), have been isolated from the marine‐derived fungus Rhizopus sp. 2‐PDA‐61. The complete ^1^H and ^13^C NMR assignments for the new compounds were carried out using ^1^H, ^13^C, DEPT, COSY, HMQC, HMBC, and NOESY NMR experiments. Compounds 1–3 were evaluated for their cytotoxic activities on P388, A549, HL‐60, and BEL‐7420 cell lines by the MTT and SRB methods. Copyright © 2009 John Wiley & Sons, Ltd.