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Two new bromoindoles from red alga Laurencia similis
Authors:Hua Su  Zhao Hui Yuana  Jing Li  Da Yong Shi a Institute of Oceanology  Chinese Academy of Sciences  Qingdao  China b Graduate School of the Chinese Academy of Sciences  Beijing  China
Institution:a Institute of Oceanology, Chinese Academy of Sciences, Qingdao 266071, China;b Graduate School of the Chinese Academy of Sciences, Beijing 100049, China
Abstract:Two new bromoindole alkaloids have been isolated from the ethanolic extract of the red alga Laurencia similis.On the basis ofchemical and spectroscopic methods(including 1D and 2D NMR technique),their structures have been elucidated as 2,2',5,5',6,6'-sixibromo-3,3'-bi-1H-indole and 3,5-dibromo-1-methylindole,respectively.
Keywords:Laurencia similis  Bromoindole alkaloid  2  2'  5  5'  6  6'-Sixibromo-3  3'-bi-IH-indole  3  5-Dibromo-1-methylindole
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