Isolation and crystal structure of an arsenic-containing sugar sulphate from the kidney of the giant clam, Tridacna maxima. X-ray crystal structure of (2S)-3-[5-Deoxy-5-(dimethylarsinoyl)-ß-D- ribofuranosyloxy]-2-hydroxypropyl hydrogen sulphate
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(2s) -3- [5-Deoxy-5- (dimethylarsinoyl) -p-o-ribofuranosyloxy] -2-hydroxypropyl hydrogen sulphate, (1 a) and 3- [5-deoxy-5-(dimethylars~noyl)-~-~-r~bofuranosyloxy]propy~egnlyec ol, (1 b), have been isolated from the kidney of the giant clam, Tridacna maxima, collected from Shark Bay, Western Australia. The structure of compound (1 a) was determined by X-ray diffraction. The source of the arsenicals (1 a) and (1 b) is likely to be symbiotic, unicellular, green algae living in the clam tissues. as arsenic-containing sugars [including compound (1 b)] have previously been isolated from Ecklonia radiata (a macroalga), it is possible that the production of such compounds is a general response of algae to oceanic arsenate.
Journal of the Chemical Society, Perkin Transactions I
© 1982 Royal Society of Chemistry. This is the author-manuscript version of the paper. Reproduced in accordance with the copyright policy of the publisher. Please refer to the journal link for access to the definitive, published version.