Studies on marine natural products. II. New polyhydroxylated sterols from the soft coral Lobophytum pauciflorum (Ehrenberg).

1 January 1980

journal article
Published by Pharmaceutical Society of Japan in CHEMICAL & PHARMACEUTICAL BULLETIN

Vol. 28 (2) , 473-478
https://doi.org/10.1248/cpb.28.473

Abstract

Three new polyhydroxylated sterols (II), (IV) and (VI), along with the known sterol (I), were isolated from the Japanese soft coral Lobophytum pauciflorum (Ehrenberg). The structures of II, IV and VI were established to be 24ζ-methylcholestane-3β, 5α, 6β, 25-tetrol, 24ζ-methylcholestane-1β, 3β, 5α, 6β-tetrol and 24-methylenecholestane-1β, 3β, 5α, 6β-tetrol, respectively.

Keywords

^C NMR

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