School of Chemistry and Chemical Engineering, Sun Yat-Sen (Zhongshan) University, Guangzhou, 510275, PR China.
Magn Reson Chem. 2010 Jun;48(6):496-9. doi: 10.1002/mrc.2605.
Two new aromatic lactones, 6-hydroxy-4-hydroxymethyl-8-methoxy-3- methylisocoumarin (1) and 1,10-dihydroxy-8-methyl-dibenz[b, e]oxepin-6,11-dione (2), together with two known compounds, 1,10-dihydroxy-dibenz[b, e]oxepin-6,11-dione (3) and 3-hydroxymethyl-6,8-dimethoxycoumarin (4), were isolated from a mangrove endophytic fungus (No. GX4-1B) collected from the South China Sea. Their structures were elucidated and the data of (1)H and (13)C NMR were assigned completely by HREIMS, 1D and 2D NMR experiments including HMQC, HMBC and NOESY.
从南海采集的一株红树林内生真菌（编号 GX4-1B）中分离得到两个新的芳香内酯化合物，分别为 6-羟基-4-羟甲基-8-甲氧基-3-甲基异香豆素（1）和 1,10-二羟基-8-甲基-二苯并[b, e]氧杂环庚-6,11-二酮（2），以及两个已知化合物，1,10-二羟基-二苯并[b, e]氧杂环庚-6,11-二酮（3）和 3-羟甲基-6,8-二甲氧基香豆素（4）。它们的结构通过高分辨质谱、1D 和 2D NMR 实验（包括 HMQC、HMBC 和 NOESY）进行了阐明，并对（1）H 和（13）C NMR 数据进行了完全归属。
