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《Marine Sciences》 2004-05
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Isolation and structure elucidation of four compounds from brown alga Leathesia nana

XU Xiu-li 1,3 ,FAN xiao 1 ,SONG Fu-hang 1,3 ,SHI Jian-gong 2 (1.Institute of Oceanology,Chinese Academy of Sciences,Qingdao266071,China;2.Institute of Materia Medica,Chiˉnese Academy of Medical Sciences and Peking Union Medical College,Beijing100050,China;3.Graduate School of the Chinese Academy of Sciences,Beijing100039,China)  
Four compounds,1H-indole-3-carboxylic acid(1),3,5-dihydroxy-4-methoxyl benzyl alcohol(2),1-O-hexanoyl-glycerol ester(3)and fucosterol(4),were isolated from the brown alga Leathesia nana.Comˉpounds1-4were obtained by normal phase silica gel,Bio-beads SX3,Sephadex LH-20chromatography and reverse phase HPLC techniques.Their structures were identified by spectroscopic methods including IR,EIMS,1D and2D NMR.Compounds1~4were isolated from this species for the first time.
【Fund】: 国家自然科学重点基金 (B20001702);; 国家高技术发展计划(863计划 )专项 (2001AA620403)
【CateGory Index】: Q946
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