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Three new 7-keto sterols from the Mediterranean spongeClathrina clathrus

Authors
Journal
Steroids
0039-128X
Publisher
Elsevier
Publication Date
Volume
52
Identifiers
DOI: 10.1016/0039-128x(88)90120-1
Disciplines
  • Chemistry

Abstract

Abstract The CHCl 3 extract of the Mediterranean sponge Clathrina clathrus was shown to contain three new sterols: (22 E)-3β -hydroxycholesta-5, 8, 22-trien-7-one ( 1 ), (22 E, 24 ξ)-3β-hydroxy-24-methylcholesta-5, 8, 22-trien-7-one ( 2 ), and (22 E, 24 ξ) -3β-hydroxy-24-ethyl-cholesta-5, 8, 22-trien-7-one ( 3 ), whose structures were elucidated on the basis of physico-chemical evidence.

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