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KMID : 1059519980420010064
Journal of the Korean Chemical Society
1998 Volume.42 No. 1 p.64 ~ p.68
Anthraquinones and Sterols from the Korean Marine Echiura Urechis unicintus
Chang Sung-Keun

Park Yong-Hyun
Chai Seuk
Kim In-Kyu
Seo Young-Wan
Cho Ki-Woong
Shin Jong-Heon
Abstract
Three anthraquinones, chrysophanol, physcion and 1-o-methyl-2-methoxychrysophanol which have Na+, K+-ATPase and cyclic AMP phosphodiesterase lowering activities related to cardiotonic action were isolated from the Korean marine echiura, Urechis unicintus. Spectroscopic methods, including HMQC, HMBC and NOE studies, were used to establish the structures.
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