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New 8-Hydroxybriaranes from the Gorgonian Coral Junceella fragilis (Ellisellidae).
- Source :
- Marine Drugs; Sep2019, Vol. 17 Issue 9, p534-534, 1p
- Publication Year :
- 2019
-
Abstract
- Three new 8-hydroxybriaranes—fragilides R–T (1–3) were obtained from a sea whip gorgonian coral Junceella fragilis. The structures of briaranes 1–3 were elucidated by using spectroscopic methods, including 1D (<superscript>1</superscript>H and <superscript>13</superscript>C NMR), 2D (COSY, HSQC, HMBC, and NOESY experiments) NMR studies, and (+)-HRESIMS. Fragilides S and T (2 and 3) are the only briaranes known to possess 8α-hydroxy and 17β-methyl groups, respectively. Briarane 2 exerted an inhibition effect on iNOS release from RAW264.7; a macrophage cell line that originated from a mouse monocyte macrophage, stimulated with lipopolysaccharides. [ABSTRACT FROM AUTHOR]
Details
- Language :
- English
- ISSN :
- 16603397
- Volume :
- 17
- Issue :
- 9
- Database :
- Complementary Index
- Journal :
- Marine Drugs
- Publication Type :
- Academic Journal
- Accession number :
- 139008115
- Full Text :
- https://doi.org/10.3390/md17090534