Journal ArticleDOI
Two new 9,11-secosterols from the marine sponge Spongia officinalis. Synthesis of 9,11-seco-3β,6α,11-trihydroxy-5α-cholest-7-en-9-one
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TLDR
In this article, two new 9,11secosterol, 9, 11-seco-3 beta,6 alpha,11-trihydroxy-24- methylene-5 alpha-cholest-7-en-9-one structures have been identified from the marine sponge Spongia officinalis and their structures elucidated by analysis of spectral data.About:
This article is published in Steroids.The article was published on 1992-07-01. It has received 31 citations till now. The article focuses on the topics: Spongia officinalis.read more
Citations
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Journal ArticleDOI
Steroids from sponges: recent reports.
Journal ArticleDOI
Secosteroids of marine origin
Donato Sica,Domenica Musumeci +1 more
TL;DR: This review describes the isolation from marine organisms of all secosteroids reported in the literature from 1972 to 2004 and gives details on the biological activities of the isolated secosteroid (e.g. antiproliferative, antifouling, antiinflammatory, antimicrobial, ichthyotoxic and antiviral).
Journal ArticleDOI
New antiproliferative and antiinflammatory 9,11-secosterols from the gorgonian Pseudopterogorgia sp
Haiyin He,Palaniappan Kulanthaivel,Bill J. Baker,Kiyomi Kalter,Jim Darges,Divann Cofield,Leslie Wolff,Laurel M. Adams +7 more
TL;DR: Protein kinase C assay-guided study of the extracts of Pseudopterogorgia sp.
Journal ArticleDOI
Steroids: A Diverse Class of Secondary Metabolites
Aeysha Sultan,Abdul Rauf Raza +1 more
TL;DR: The aim of this review is to systematically compile the basic information related to Steroids, a group of secondary metabolites having diversity in their structure and biological functions.
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Euryspongiols : ten new highly hydroxylated 9,11-secosteroids with antihistaminic activity from the sponge Euryspongia sp. stereochemistry and reduction
TL;DR: In this paper, 10 polyhydroxylated 9,11-secosterols have been isolated from the New Caledonian sponge Euryspongia sp. and their structures elucidated by spectroscopic studies, selective acetylation and reduction, leading to the complete assignment of all the NMR signals.
References
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Experimental techniques of two-dimensional correlated spectroscopy
TL;DR: Two-dimensional (2D) homonuclear correlated spectra manifest connectivities between spin-coupled nuclei and can thus provide assignments of individual spin systems in complex 1 H NMR spectra.
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Correlation of proton chemical shifts by two-dimensional Fourier transform NMR
TL;DR: In this article, the authors proposed a spin echo correlated spectroscopy (SECSY) technique to identify the resonances connected by a scalar spin-spin coupling in the two-dimensional Fourier transform NMR spectrum.
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Chemoselective reduction of aldehydes with tetra--butylammonium triacetoxyborohydride
TL;DR: Aldehydes, but not ketones, are smoothly reduced to alcohols by tetra-n -butylammonium triacetoxyborohydride in refluxing benzene.
Journal ArticleDOI
New Tetrahydroxylated Sterols from the Marine Sponge Spongia officinalis
Journal ArticleDOI
Structure elucidation and synthesis of 3β,6α-dihydroxy-9-oxo-9, 11-seco-5α-cholest-7-en-11-al, a novel 9,11-secosterol from the sponge .
TL;DR: A novel 9,11secosterol, 3β,6α-dihydroxy-9-oxo-9,11-seco-5α-cholest-7-en-11-al (1 ), has been isolated from the marine sponge Spongia officinalis and its structure deduced by analysis of spectral data including 1 H NMR COSY and 1 H 13 C correlation NMR experiments.
Related Papers (5)
Structure elucidation and synthesis of 3β,6α-dihydroxy-9-oxo-9, 11-seco-5α-cholest-7-en-11-al, a novel 9,11-secosterol from the sponge .
Herbasterol, an ichthyotoxic 9,11-secosterol from the sponge Dysidea herbacea
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