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New 3-oxo-chol-4-en-24-oic acids from the marine soft coral Eleutherobia sp

New 3-oxo-chol-4-en-24-oic acids from the marine soft coral Eleutherobia sp

Authors :
Tadeusz F. Molinski
Hakon Hope
Sarah C. Lievens
Source :
Journal of natural products. 67(12)
Publication Year :
2004

Abstract

Two novel cholic acid derivatives and three known steroids were isolated from an octocoral Eleutherobia sp. from Pohnpei Micronesia along with the known briareins minabein-1 (6), minabein-4 (7), minabein-6 (8), minabein-8 (9), and minabein-9 (10). X-ray crystallographic analysis of the known compound minabein-4 allowed assignment of its correct relative and absolute stereochemistry. Consequently, a different structure proposed for the same compound (named independently as nui-inoalide-D) is incorrect.

Details

ISSN :
01633864
Volume :
67
Issue :
12
Database :
OpenAIRE
Journal :
Journal of natural products
Accession number :
edsair.doi.dedup.....71b14e27f37780a0b2bc5205d7b9aaff