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Sterols from the Green Alga Ulva australis
2017
Marine Drugs
Three new sterols, (24R)-5,28-stigmastadiene-3β,24-diol-7-one (1), (24S)-5,28-stigmastadiene-3β,24-diol-7-one (2), and 24R and 24S-vinylcholesta-3β,5α,6β,24-tetraol (3), together with three known sterols (4-6) were isolated from the green alga Ulva australis. The structures of the new compounds (1-3) were elucidated through 1D and 2D nuclear magnetic resonance spectroscopy as well as mass spectrometry. Compounds 4-6 were identified as isofucoterol (4) , 24R,28S and
doi:10.3390/md15100299
pmid:28956835
pmcid:PMC5666407
fatcat:tyzg426x6nerzomyfinthb66ie