Netamines H-N, tricyclic alkaloids from the marine sponge Biemna laboutei and their antimalarial activity.
- E. Gros, A. Al‐Mourabit, A. Gauvin-Bialecki
- Chemistry, BiologyJournal of Natural Products
- 6 March 2014
Seven new tricyclic alkaloids, netamines H-N (1-7), along with the known netamine G and mirabilins A, C, and F, are isolated from the Madagascar sponge Biemna laboutei for their cytotoxicity against KB cells and their antiplasmodial activity.
Netamines O-S, Five New Tricyclic Guanidine Alkaloids from the Madagascar Sponge Biemna laboutei, and Their Antimalarial Activities.
- E. Gros, Marie-Thérèse Martin, A. Al‐Mourabit
- Chemistry
- 1 March 2016
HAL is a multi-disciplinary open access archive for the deposit and dissemination of scientific research documents, whether they are published or not. The documents may come from teaching and…
Agelasines J, K, and L from the Solomon Islands Marine Sponge Agelas cf. mauritiana.
- J. Appenzeller, Ghezala Mihci, C. Debitus
- ChemistryJournal of Natural Products
- 24 June 2008
Three new diterpene alkaloids were isolated from the marine sponge Agelas cf.
Chemical Diversity and Biological Activities of Marine Sponges of the Genus Suberea: A Systematic Review
- A. El‐Demerdash, A. Atanasov, A. Kijjoa
- BiologyMarine Drugs
- 1 February 2019
A comprehensive literature survey covering the period of 1998–2018, focusing on the chemistry and biological/pharmacological activities of marine natural products from marine sponges of the genus Suberea, with special attention to the biogenesis of the different skeletons of halogenated compounds, is presented.
Cobalt- and iron-catalyzed redox condensation of o-substituted nitrobenzenes with alkylamines: a step- and redox-economical synthesis of diazaheterocycles.
- T. Nguyen, Julie Le Bescont, L. Ermolenko, A. Al‐Mourabit
- ChemistryOrganic Letters
- 14 November 2013
A wide variety of functionalized 2-aryl benzimidazoles can be prepared by a solvent-free cobalt- or iron-catalyzed redox condensation of 2-nitroanilines and benzylamines. The cascade including…
Agelastatin E, agelastatin F, and benzosceptrin C from the marine sponge Agelas dendromorpha.
- Supriya Tilvi, C. Moriou, A. Al‐Mourabit
- ChemistryJournal of Natural Products
- 17 February 2010
The study of the n-butanol extract of the New Caledonian sponge Agelas dendromorpha led to the isolation and identification of three new pyrrole-2-aminoimidazole (P-2-AI) alkaloids, named…
Cytotoxic Guanidine Alkaloids from a French Polynesian Monanchora n. sp. Sponge.
- A. El‐Demerdash, C. Moriou, A. Al‐Mourabit
- ChemistryJournal of Natural Products
- 15 July 2016
Four bicyclic and three pentacyclic guanidine alkaloids (1-7) were isolated from a French Polynesian Monanchora n. sp. sponge, along with the known alkaloids monalidine A (8), enantiomers 9-11 of…
Redox condensation of o-halonitrobenzene with 1,2,3,4-tetrahydroisoquinoline: involvement of an unexpected auto-catalyzed redox cascade.
- T. Nguyen, L. Ermolenko, A. Al‐Mourabit
- ChemistryChemical Communications
- 24 March 2016
A practical synthesis of fused benzimidazoles 5 has been developed by simply heating o-halonitrobenzenes 1 with tetrahydroisoquinolines 2. In this transformation, 2 played multiple roles as a…
A likely biogenetic gateway linking 2-aminoimidazolinone metabolites of sponges to proline: spontaneous oxidative conversion of the pyrrole-proline-guanidine pseudo-peptide to dispacamide A.
- Nathalie Travert, A. Al‐Mourabit
- Chemistry, BiologyJournal of the American Chemical Society
- 3 August 2004
A new spontaneous oxidative transformation of the associated pyrrole-proline-guanidine to the natural marine pyrrole 2-aminoimidazolinone derivative has been achieved. The sensitive reaction requires…
Verpacamides A-D, a sequence of C11N5 diketopiperazines relating cyclo(Pro-Pro) to cyclo(Pro-Arg), from the marine sponge Axinella vaceleti: possible biogenetic precursors of pyrrole-2-aminoimidazole…
- Carine Vergne, N. Boury‐Esnault, A. Al‐Mourabit
- ChemistryOrganic Letters
- 4 May 2006
Four C(11)N(5) diketopiperazine metabolites named verpacamides A, B, C, and D consisting of a proline-arginine dipeptide skeleton have been isolated from the marine sponge Axinella vaceleti.
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