Zobrazeno 1 - 10 of 98 pro vyhledávání: '"J. C. Braekman"'
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Cholest-6-EN-11β, 19-epoxy-3β, 5α, 8α, 9α-tetrol, a novel polyoxygenated steroid from the sponge dysidea tupha
Autor: Désiré Daloze, J. C. Braekman, B. Moussiaux, G. Vandevyver, Raffaele Riccio
Publikováno v: Bulletin des Sociétés chimiques belges, 97 (4
Cholest-6-en-11β, 19-epoxy-3β, 5α, 8α, 9α-tetrol(1), a new toxic polyoxygenated steroid, has been isolated from the sponge Dysidea tupha. Its structure has been determined on the basis of its spectral properties.
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::1bf60a57ce53b5d6d837bdeb76f6afb2
https://doi.org/10.1002/bscb.19880970408
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2
Chemical studies of marine invertebrates. XXXIV(1). Herbadysidolide and herbasolide, two unusual sesquiterpenoids from the sponge dysidea herbacea(2)
Autor: Bernard Tursch, J. C. Braekman, C. Charles, Désiré Daloze, Jean-Paul Declercq, M. Van Meerssche, Gabriel Germain
Publikováno v: Bulletin des Sociétés Chimiques Belges. 87:481-486
The isolation and structure determination of the sesquiterpene herbadysidolide (1) and the norsesquiterpene herbasolide (2) from the sponge Dysidea herbacea are described. Copyright © 1978 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::8b2d3c3c87ea0199631b765bb5921e22
https://doi.org/10.1002/bscb.19780870609
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3
Chemical studies of marine invertebrates. XXXVI(1). Strongylosterol, a novel C-30 sterol from the sponge strongylophora durissima Dendy (2)
Autor: Bernard Tursch, J. C. Braekman, Désiré Daloze, M. Bortolotto
Publikováno v: Bulletin des Sociétés Chimiques Belges. 87:539-543
A novel sterol, strongylosterol, has been isolated from the sponge Strongylophora durissima. It has been demonstrated to be 3β‐hydroxy‐24°‐ethyl‐27‐methylcholesta‐5, 25(26)‐diene (1). Copyright © 1978 Wiley‐VCH Verlag GmbH & Co. KG
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::ea853aafa084e547e6a45dd4b83cd02d
https://doi.org/10.1002/bscb.19780870706
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4
Chemical studies of marine invertebrates. XXXVII(1). Three novel meroditerpenoids from the sponge strongylophora durissima(2)
Autor: J. C. Braekman, Désiré Daloze, G. Hulot, Bernard Tursch, M. Van Meerssche, Jean-Paul Declercq, Gabriel Germain
Publikováno v: Bulletin des Sociétés Chimiques Belges. 87:917-926
Three novel meroditerpenoids, strongylophorine‐1 (1), ‐2 (2) and ‐3 (3) have been isolated from the sponge Strongylophora durissima, Strongylophorine‐1 and ‐3 possess structure 1 and 3 respectively, as established by their spectral properti
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::9ee5a4b4c542a68d98bcb4eb86034935
https://doi.org/10.1002/bscb.19780871114
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5
I-Isocyanoaromadendrane, A New Isonitrile Sesquiterpene from the Sponge Acanthella Acuta
Autor: J. C. Braekman, J. Huysecom, Désiré Daloze, G. Vandevyver, F. Deneubourg
Publikováno v: Bulletin des Sociétés Chimiques Belges. 96:539-543
Two isonitrile sesquiterpenes 2 and 3 have been isolated from the toxic dichloromethane extract of the marine sponge Acanthella acuta. Compound 2 was found to be identical with axisonitrile-3. compound 3, 1-isocyanoaromadendrane, is a novel sesquiter
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::6ffc7ca66807144165dbe446b8f1e475
https://doi.org/10.1002/bscb.19870960710
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6
Chemical Studies of Marine Invertebrates. XXXV(1). Sarcoglaucol, a Novel Cembrane Diterpene from the Soft Coral Sarcophyton Glaucum (Coelenterata, Octocorallia)(2)
Autor: M. Van Meerssche, Bernard Tursch, J. C. Braekman, Gabriel Germain, Désiré Daloze, M. Albericci, Jean-Paul Declercq
Publikováno v: Bulletin des Sociétés Chimiques Belges. 87:487-492
Sarcoglaucol (1), a novel, ichtyotoxic cembrane diterpene has been isolated from the alcyonarian Sarcophyton glaucum. Its structure and relative configuration were determined by X‐ray diffraction analysis. Copyright © 1978 Wiley‐VCH Verlag GmbH
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::5599b5e12aceb168dfa25f8471dbc722
https://doi.org/10.1002/bscb.19780870610
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10
Absolute configuration of anabasine from Messor and Aphaenogaster ants
Autor: S, Leclercq, S, Charles, D, Daloze, J C, Braekman, S, Aron, J M, Pasteels
Publikováno v: Journal of chemical ecology. 27(5)
A method has been developed to assign the absolute configuration and enantiomeric excess of anabasine based on small amounts of material (in the microgram range), by derivatization with (+)-menthylchloroformate followed by capillary GC analysis of th
Externí odkaz: https://explore.openaire.eu/search/publication?articleId=pmid________::0499e34dc3b825653db37406dc3278c7
https://pubmed.ncbi.nlm.nih.gov/11471946
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