Norisoprenoids from Ulva lactuca |
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| Authors: | Sun Y Zhan Y-C Sha Y Pei Y-H |
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| Institution: | School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China. |
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| Abstract: | Five norisoprenoids were isolated from the green marine alga Ulva lactuca. Two new compounds were assigned to (3R,5R,6R,7E)3,5,6-trihydroxy-7-megastigmen-9-one (1) and (3S,5R,6S,7E)3,5,6-trihydroxy-7-megastigmen-9-one (2). The structures and absolute configurations of the five compounds were determined by analyses of NMR, MS and circular dichroism (CD). |
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