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Journals and Conferences
In the title compound, C(17)H(14)N(2)O(4), the seven-membered ring adopts a boat conformation, and the two benzene rings make a dihedral angle of 45.22 (5)°. The crystal packing is stabilized by inter-molecular N-H⋯O and O-H⋯O hydrogen bonds.
By the method of ¹H NMR prescreening and tracing the diagnostic proton signals of the methyl groups, three additional new triquinane-type sesquiterpenoids-chondrosterins K-M (1-3) and the known sesquiterpenoid anhydroarthrosporone (4)-were isolated from the marine fungus Chondrostereum sp. Their structures were elucidated on the basis of MS, 1D, and 2D NMR… (More)
Two novel cyclopeptides, xylarotides A (1), and B (2), and one novel nonenolide, xylarolide (3), along with two known compounds, coriloxin (4), and 2-hydroxy-3-methoxy-5-methyl-p-benzoquinone (5) were isolated from the fungal strain Xylaria sp. 101. This strain was isolated from the fruiting body of Xylaria sp. collected in Gaoligong Mountain, Yunnan… (More)