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Complete 1H and 13C NMR assignments of three new polyhydroxylated sterols from the South China Sea gorgonian Subergorgia suberosa

✍ Scribed by Shu-Hua Qi; Si Zhang; Yi-Fei Wang; Ming-Yi Li

Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
145 KB
Volume
45
Category
Article
ISSN
0749-1581

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✦ Synopsis

Abstract

Three new polyhydroxylated sterols, 3β,6α,11,20β,24‐pentahydroxy‐ 9,11‐seco‐5α‐24‐ethylcholest‐7,28‐diene‐9‐one (1), 3‐(1′,2′‐ethandiol)‐24‐ methylcholest‐8(9),22__E__‐diene‐3β,5α,6α,7α,11α‐pentaol (2), 24‐methylcholest‐7,22 E‐diene‐3β,5α,6β,25‐tetraol (3) together with five known sterols, were isolated from the EtOH/CH~2~Cl~2~ extract of the South China Sea gorgonian Subergorgia suberosa. The complete assignments of the ^1^H and ^13^C NMR chemical shifts for these new compounds were achieved by means of 1D and 2D NMR techniques, including HSQC, HMBC, ^1^H^1^H COSY, and NOESY spectra. Copyright © 2007 John Wiley & Sons, Ltd.

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