Hippuristerones E-I, new polyoxygenated steroids from the gorgonian coral Isis hippuris

Five novel (22R,23S,24S)-steroids, hippuristerones E-I (1-5), have been isolated from the gorgonian coral Isis hippuris. The structures of steroids 1-5 were deduced by extensive 1D and 2D NMR studies ((1)H, (13)C, (1)H-(1)H COSY, HMQC, HMBC, and NOESY experiments). The structure of 1 was further sup...

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Veröffentlicht in:Journal of natural products (Washington, D.C.) D.C.), 2003-07, Vol.66 (7), p.917-921
Hauptverfasser: Sheu, J.H, Huang, L.F, Chen, S.P, Yang, Y.L, Sung, P.J, Wang, G.H, Su, J.H, Chao, C.H, Hu, W.P, Wang, J.J
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container_issue 7
container_start_page 917
container_title Journal of natural products (Washington, D.C.)
container_volume 66
creator Sheu, J.H
Huang, L.F
Chen, S.P
Yang, Y.L
Sung, P.J
Wang, G.H
Su, J.H
Chao, C.H
Hu, W.P
Wang, J.J
description Five novel (22R,23S,24S)-steroids, hippuristerones E-I (1-5), have been isolated from the gorgonian coral Isis hippuris. The structures of steroids 1-5 were deduced by extensive 1D and 2D NMR studies ((1)H, (13)C, (1)H-(1)H COSY, HMQC, HMBC, and NOESY experiments). The structure of 1 was further supported by molecular mechanics calculations.
doi_str_mv 10.1021/np020602r
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Psychology</subject><subject>hippuristerones</subject><subject>Isis hippuris</subject><subject>methine</subject><subject>methylene</subject><subject>Molecular Conformation</subject><subject>Molecular Structure</subject><subject>Nuclear Magnetic Resonance, Biomolecular</subject><subject>Other biological molecules</subject><subject>Oxygen - chemistry</subject><subject>protons</subject><subject>spectral analysis</subject><subject>stereochemistry</subject><subject>steroids</subject><subject>Steroids - chemistry</subject><subject>Steroids - isolation &amp; purification</subject><subject>Taiwan</subject><subject>Terpenes, steroids. 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subjects Analytical, structural and metabolic biochemistry
Animals
Anthozoa - chemistry
biochemical pathways
Biological and medical sciences
biosynthesis
carbon
chemical structure
corals
Fundamental and applied biological sciences. Psychology
hippuristerones
Isis hippuris
methine
methylene
Molecular Conformation
Molecular Structure
Nuclear Magnetic Resonance, Biomolecular
Other biological molecules
Oxygen - chemistry
protons
spectral analysis
stereochemistry
steroids
Steroids - chemistry
Steroids - isolation & purification
Taiwan
Terpenes, steroids. Hormones
title Hippuristerones E-I, new polyoxygenated steroids from the gorgonian coral Isis hippuris
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