Luteophanol A ( 1 ), a new polyhydroxy linear carbon-chain compound, has been isolated from the cultured marine dinoflagellate Amphidinium sp. which was isolated from the Okinawan marine acoel flatworm Pseudaphanostoma luteocoloris . The structure was elucidated by extensive analyses of 2D NMR spectra including PFG-HMBC, HSQC-HOHAHA, and INADEQUATE as well as FABMS/MS data. Luteophanol A ( 1 ) possesses a sulfate ester, two tetrahydropyrans, and nineteen hydroxyl groups on C 57 -linear aliphatic chain with one exo-methylene and two methyl branches.
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Doi et al. (1997) studied this question.
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