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Minor and trace sterols in marine invertebrates. 27. Isolation, structure elucidation, and partial synthesis of 25-methylxestosterol, a new sterol arising from quadruple biomethylation in the side chain

โœ Scribed by Li, Lian Niang; Sjoestrand, Ulf; Djerassi, Carl


Book ID
127384694
Publisher
American Chemical Society
Year
1981
Tongue
English
Weight
438 KB
Volume
46
Category
Article
ISSN
0022-3263

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Minor and trace sterols in marine invert
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tero, fp!?.x A new cyclopropyl-containing sterol papakusterol (22-dehydro-24,26-cyclocholes- arising by a hitherto unknown bios nthetic process, was isolated from six "deep sea" gorgonians and its structure elucidated by Y H-NMR analysis and partial synthesis. Traces of the corresponding A5v7-diene