Studies on Marine Natural Products. II. New Polyhydroxylated Sterols from the Soft Coral Lobophytum pauciflorum (Ehrenberg)

Studies on Marine Natural Products. II. New Polyhydroxylated Sterols from the Soft Coral Lobophytum pauciflorum (Ehrenberg)

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,...

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Veröffentlicht in:Chemical & pharmaceutical bulletin 1980/02/25, Vol.28(2), pp.473-478
Hauptverfasser: YAMADA, YASUJI, SUZUKI, SUKEJI, IGUCHI, KAZUO, KIKUCHI, HIROYUKI, TSUKITANI, YASUMASA, HORIAI, HARUO, NAKANISHI, HAJIME
Format: Artikel
Sprache:eng
Schlagworte:
C NMR
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Zusammenfassung: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.
ISSN:0009-2363
1347-5223
DOI:10.1248/cpb.28.473