Five new steroidal glycosides, pregnedioside-A, -B, and their three monoacetates, from an Okinawan soft coral of Alcyonium sp

Five new steroidal glycosides, pregnedioside-A, -B, and their three monoacetates, from an Okinawan soft coral of Alcyonium sp

Five new pregnene-type steroidal glycosides, named pregnedioside -a ( 1 ), 4′-O-acetyl-pregnedioside-a ( 2 ), 3′-O-acetyl-pregnedioside-a ( 3 ), pregnedioside-b ( 5 ), and 4′-O-acetyl-pregnedioside-b ( 6 ), were isolated from an Okinawan soft coral of Alcyonium sp. and their structures were elucidat...

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Veröffentlicht in:Tetrahedron letters 1984, Vol.25 (34), p.3731-3734
Hauptverfasser: Kobayashi, Motomasa, Kiyota, Yutaka, Orito, Satomi, Kyogoku, Yoshimasa, Kitagawa, Isao
Format: Artikel
Sprache:eng
Schlagworte:
Alcyonium
Analytical, structural and metabolic biochemistry
Biological and medical sciences
Fundamental and applied biological sciences. Psychology
Marine
Other biological molecules
Terpenes, steroids. Hormones
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Zusammenfassung:Five new pregnene-type steroidal glycosides, named pregnedioside -a ( 1 ), 4′-O-acetyl-pregnedioside-a ( 2 ), 3′-O-acetyl-pregnedioside-a ( 3 ), pregnedioside-b ( 5 ), and 4′-O-acetyl-pregnedioside-b ( 6 ), were isolated from an Okinawan soft coral of Alcyonium sp. and their structures were elucidated. These are rare examples of steroidal gylcosides from soft coral.
ISSN:0040-4039
1873-3581
DOI:10.1016/0040-4039(84)80117-3