Two new sesterterpene sulfates, hipposulfates A (1) and B (2), have been isolated from an Okinawan sponge, Hippospongia cf. metachromia and their structures elucidated by interpretation of spectroscopic data. Both compounds contain an enolsulfate functionality. Hipposulfate A (1) showed moderate cytotoxicity.
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http://dx.doi.org/10.1021/np000060i | DOI Listing |
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