Cultivation of an endophytic fungus Aspergillus niger EN-13 that was isolated from the inner tissue of the marine brown alga Colpomenia sinuosa resulted in the characterization of a new naphthoquinoneimine derivative,...Cultivation of an endophytic fungus Aspergillus niger EN-13 that was isolated from the inner tissue of the marine brown alga Colpomenia sinuosa resulted in the characterization of a new naphthoquinoneimine derivative, namely, 5,7-dihydroxy-2-[1-（4- methoxy-6-oxo-6H-pyran-2-yl）-2-phenylethylamino]-[ 1,4]naphthoquinone. The structure of the new compound was established on the basis of various NMR spectroscopic analyses including 2D NMR techniques, El-MS, and HR-ESI-MS. This compound displayed moderate antifungal activity.展开更多
A new acylated iridoid glucoside, namely, 2＇-O-（5-phenyl-2E, 4E-pentadienoyl）- mussaenosidic acid, was isolated from the aerial parts of the mangrove plant Avicennia marina. The structure of the new compound was es...A new acylated iridoid glucoside, namely, 2＇-O-（5-phenyl-2E, 4E-pentadienoyl）- mussaenosidic acid, was isolated from the aerial parts of the mangrove plant Avicennia marina. The structure of the new compound was established on the basis of various NMR spectroscopic analyses, including 2D NMR techniques （^1H-^1H COSY, HMQC, and HMBC） and HR-FAB-MS. This compound displayed moderate antioxidant activity.展开更多
A new brominated C15-acetogenin, namely, laurenidificin, was isolated from the marine red alga Laurencia nidifica. Its structure was determined on the basis of spectroscopic methods.
A new rearranged charnigrane sesquiterpene, named laurenokamurin, was isolated from the marine red alga Laurencia okamurai. Its structure was determined on the basis of spectroscopic methods.
基金financed in part by the innovation program of the Institute of Oceanology,Chinese Academy of Sciences(IOCAS,L79032432)the program of"Bairen Jihua"awarded from the Chinese Academy of Sciences(to B.G.Wang)Y.P.Shi wishes thank the Key Laboratory of Experimental Marine Biology at IOCAS for partial financial support
基金partially supported by the fund of Key Laboratory of Marine Drugs(0cean University of China),Ministry of Education[KLMD(0UC)2004]by the National Natural Science Foundation of China(No.30530080)+1 种基金A program supported by the Department of Science and Technology of Shandong Province(No.2006GG2205023)by the Guangdong Key Laboratory of Marine Materia Medica is also gratefully acknowledged.
文摘Cultivation of an endophytic fungus Aspergillus niger EN-13 that was isolated from the inner tissue of the marine brown alga Colpomenia sinuosa resulted in the characterization of a new naphthoquinoneimine derivative, namely, 5,7-dihydroxy-2-[1-（4- methoxy-6-oxo-6H-pyran-2-yl）-2-phenylethylamino]-[ 1,4]naphthoquinone. The structure of the new compound was established on the basis of various NMR spectroscopic analyses including 2D NMR techniques, El-MS, and HR-ESI-MS. This compound displayed moderate antifungal activity.
基金supported by the program of"Bairen Jihua"from the Chinese Academy of Sciences,by the National Natural Science Foundation of China(No.30530080)the innovation program of the Institute of 0ceanology,Chinese Academy of Sciences(L79032432).
文摘A new acylated iridoid glucoside, namely, 2＇-O-（5-phenyl-2E, 4E-pentadienoyl）- mussaenosidic acid, was isolated from the aerial parts of the mangrove plant Avicennia marina. The structure of the new compound was established on the basis of various NMR spectroscopic analyses, including 2D NMR techniques （^1H-^1H COSY, HMQC, and HMBC） and HR-FAB-MS. This compound displayed moderate antioxidant activity.
基金financially supported by the National Natural Science Foundation of China(No.30530080)by the Department of Science and Technology of Shandong Province(No.2006GG2205023).
文摘二新 brominated diterpenes，也就是 laurendecumtriol 和 11-deacetylpinnaterpene 6 号元素碳的化学符号，从海洋的红水藻 Laurencia decumbens 被孤立并且识别。他们的结构根据各种各样的 NMR 分光镜的技术和 HR ESI MS 分析被建立。
基金financially supported by the National High-Tech R & D Project(No.2007AA09Z403)the National Natural Science Foundation of China(No.30530080)the Department of Science and Technology of Shandong Province(No.2006GG2205023)
文摘A new brominated C15-acetogenin, namely, laurenidificin, was isolated from the marine red alga Laurencia nidifica. Its structure was determined on the basis of spectroscopic methods.
基金supported by the National High-Tech R & D Project(No.2007AA09Z403)the National Natural Science Foundation of China(No.30530080)the Department of Science and Technology of Shandong Province(No.2006GG2205023).
文摘A new rearranged charnigrane sesquiterpene, named laurenokamurin, was isolated from the marine red alga Laurencia okamurai. Its structure was determined on the basis of spectroscopic methods.
