Comatula pectinata anthraquinones from

The crinoid Comatula pectinata contained three anthraquinones (654-656) [522] while two further anthraquinones (657-658) were isolated from the crinoid Ptilometra sp. l,8-Dihydroxy-3-propyl-9,10-anthraquinone-6-O-sodium sulfate (657) and l,8-dihydroxy-3-(l -hydroxypropyl)-9,10-anthraquinone-6-O-sodium sulfate (658) have not previously been isolated from a natural source. l,8-Dihydroxy-3-(r-hydroxypropyl)-9,10-anthraquinone-6-Osodium sulfate (658) was cytotoxic [523]. 

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See also in sourсe #XX -- [ ]

See also in sourсe #XX -- [ , ]

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