期刊
MAGNETIC RESONANCE IN CHEMISTRY
卷 46, 期 12, 页码 1148-1152出版社
WILEY
DOI: 10.1002/mrc.2338
关键词
H-1 NMR; C-13 NMR; 2D NMR; 1D selective NOESY; proton-proton long-range coupling; homoallylic coupling; allylic coupling; W-relationship coupling; polyketides; sponge-derived fungus; Mycelia sterilia
资金
- National Natural Science Foundation of China [U0633008]
A series of polyketide-originated metabolites (1-5) were isolated from a marine sponge-derived fungus Mycelia sterilia. Of these, 1-3 were new compounds. Their structures were elucidated by spectroscopic methods as (4R*, 5S*, 6S*, 8S*, 13R*)-1-(2,8-dihydroxy-1,2,6-trimethyl-1,2,6,7,8,8a-hexahydro-naphthalen-1-yl)-3-methoxy-propan-1-one (1), 4,8-dihydroxy-7-(2-hydroxy-ethyl)-6-methoxy-3,4-dihydro-2H-naphthalen-1-one (2) and 1-methyl-naphthalene-2,6-dicarboxylic acid (3). In 1, the proton-proton long-range coupling phenomenon claimed attention and was discussed. Copyright (C) 2008 John Wiley & Sons, Ltd.
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