Search Results - "Aknin, Maurice"

Cyclotheonellazoles A–C, Potent Protease Inhibitors from the Marine Sponge Theonella aff. swinhoei by Issac, Michal, Aknin, Maurice, Gauvin-Bialecki, Anne, De Voogd, Nicole, Ledoux, Alisson, Frederich, Michel, Kashman, Yoel, Carmeli, Shmuel

“…The extract of a sample of the sponge Theonella aff. swinhoei collected in Madagascar exhibited promising in vitro antiplasmodial activity. The antiplasmodial…”
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Taumycins A and B, Two Bioactive Lipodepsipeptides from the Madagascar Sponge Fascaplysinopsis sp by Bishara, Ashgan, Rudi, Amira, Aknin, Maurice, Neumann, Drorit, Ben-Califa, Nathalie, Kashman, Yoel

“…Two closely related lipodepsipeptides, taumycins A and B (1 and 2) have been isolated from the Madagascar sponge Fascaplysinopsis sp. The two compounds have…”
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Saldedines A and B, Dibromo Proaporphine Alkaloids from a Madagascan Tunicate by Sorek, Hagit, Rudi, Amira, Goldberg, Israel, Aknin, Maurice, Kashman, Yoel

“…Two new dibromo proaporphine alkaloids, designated saldedines A (1) and B (2), were isolated from an unidentified tunicate collected at Salary Bay, Madagascar…”
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Bisdioxycalamenene: A Bis-Sesquiterpene from the Soft Coral Rhytisma fulvum fulvum by Trifman, Yuval J, Aknin, Maurice, Gauvin-Bialecki, Anne, Benayahu, Yehuda, Carmeli, Shmuel, Kashman, Yoel

“…A dichloromethane extract of the soft coral Rhytisma fulvum fulvum collected in Madagascar afforded a novel compound possessing an unprecedented pentacyclic…”
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Tausalarin C: A New Bioactive Marine Sponge-Derived Nitrogenous Bismacrolide by Bishara, Ashgan, Rudi, Amira, Goldberg, Israel, Aknin, Maurice, Neumann, Drorit, Ben-Califa, Nathalie, Kashman, Yoel

“…A novel nitrogenous bismacrolide, designated tausalarin C (1), was isolated from the Madagascar sponge Fascaplysinopsis sp. The structure of the compound was…”
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New lobane and cembrane diterpenes from two comorian soft corals by Bonnard, Isabelle, Jhaumeer-Laulloo, Sabina B, Bontemps, Nataly, Banaigs, Bernard, Aknin, Maurice

“…Preliminary biological investigation of a collection of Comorian soft corals resulted in the selection of two specimens, one of Sarcophyton and the other of…”
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24-O-ethylmanoalide, a manoalide-related sesterterpene from the marine sponge Luffariella cf. variabilis by Gauvin-Bialecki, Anne, Aknin, Maurice, Smadja, Jacqueline

“…A new manoalide-related sesterterpene, 24-O-ethylmanoalide (3), was isolated from the Indian Ocean sponge Luffariella cf. variabilis, together with the known…”
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Isohalitulin and Haliclorensins B and C, Three Marine Alkaloids from Haliclona tulearensis by Sorek, Hagit, Rudi, Amira, Aknin, Maurice, Gaydou, Emile M, Kashman, Yoel

“…Three new alkaloids, designated isohalitulin (4), haliclorensin B (5), and haliclorensin C (6), were isolated from two specimens of the Madagascan sponge…”
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Derivatives of salarin A, salarin C and tulearin A--Fascaplysinopsis sp. metabolites by Zur, Lee Goren, Bishara, Ashgan, Aknin, Maurice, Neumann, Drorit, Ben-Califa, Nathalie, Kashman, Yoel

“…Derivatives of salarin A, salarin C and tulearin A, three new cytotoxic sponge derived nitrogenous macrolides, were prepared and bio-evaluated as inhibitors of…”
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Recent N-atom containing compounds from indo-pacific invertebrates by Kashman, Yoel, Bishara, Ashgan, Aknin, Maurice

“…A large variety of unique N-atom containing compounds (alkaloids) without terrestrial counterparts, have been isolated from marine invertebrates, mainly…”
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Ptilomycalin D, a Polycyclic Guanidine Alkaloid from the Marine Sponge Monanchora dianchora by Bensemhoun, Julia, Bombarda, Isabelle, Aknin, Maurice, Vacelet, Jean, Gaydou, Emile M

“…A new polycyclic guanidine alkaloid, ptilomycalin D, and the known crambescidic acid were isolated from the marine sponge Monanchora dianchora collected in…”
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Sterols from the Madagascar sponge Fascaplysinopsis sp by Aknin, Maurice, Gros, Emmanuelle, Vacelet, Jean, Kashman, Yoel, Gauvin-Bialecki, Anne

“…The sponge Fascaplysinopsis sp. (order Dictyoceratida, Family Thorectidae) from the west coast of Madagascar (Indian Ocean) is a particularly rich source of…”
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Polycitone B and Prepolycitrin A:  Two Novel Alkaloids from the Marine Ascidian Polycitor africanus by Rudi, Amira, Evan, Tamar, Aknin, Maurice, Kashman, Yoel

“…Two novel compounds, polycitone B (4) and prepolycitrin A (3), were isolated from the marine ascidian Polycitor africanus. The structures of these new…”
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Marine bifunctional sphingolipids from the sponge Oceanapia ramsayi by Bensemhoun, Julia, Bombarda, Isabelle, Aknin, Maurice, Faure, Robert, Vacelet, Jean, Gaydou, Emile M

“…During the course of our continuing studies on marine natural lipid products,two known sphingolipids have been isolated for the first time from a specimen of…”
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Three New Cyclic Peroxides from the Marine Sponge Plakortis aff simplex by Rudi, Amira, Afanii, Rania, Gravalos, Lola Garcia, Aknin, Maurice, Gaydou, Emile, Vacelet, Jean, Kashman, Yoel

“…In our continuing program to identify bioactive compounds from marine invertebrates, the MeOH−EtOAc (1:1) extract of the sponge Plakortis aff simplex,…”
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Three New Alkaloids from the Marine Tunicate Cystodytes violatinctus by Koren-Goldshlager, Ganit, Aknin, Maurice, Gaydou, Emile M, Kashman, Yoel

“…Three novel alkaloids, shermilamine D and E (1 and 2) and tintamine (3), two pyridoacridines (1 and 2), and one alkaloid possessing a new heterocyclic system…”
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Mollecarbamates, Molleureas, and Molledihydroisoquinolone, o‑Carboxyphenethylamide Metabolites of the Ascidian Didemnum molle Collected in Madagascar by Issac, Michal, Aknin, Maurice, Gauvin-Bialecki, Anne, Pond, Christopher D, Barrows, Louis R, Kashman, Yoel, Carmeli, Shmuel

“…The extract of a sample of the tunicate Didemnum molle (MAY13-117) collected in Mayotte afforded eight new metabolites, mollecarbamates A–D (1–4) and…”
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Netamines H–N, Tricyclic Alkaloids from the Marine Sponge Biemna laboutei and Their Antimalarial Activity by Gros, Emmanuelle, Al-Mourabit, Ali, Martin, Marie-Thérèse, Sorres, Jonathan, Vacelet, Jean, Frederich, Michel, Aknin, Maurice, Kashman, Yoel, Gauvin-Bialecki, Anne

“…Chemical examination of the CH2Cl2–MeOH (1:1) extract of the Madagascar sponge Biemna laboutei resulted in the isolation of seven new tricyclic alkaloids,…”
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Tulearins A, B, and C; structures and absolute configurations by Bishara, Ashgan, Rudi, Amira, Goldberg, Israel, Aknin, Maurice, Kashman, Yoel

“…The relative configuration of tulearin A ( 1) is determined by X-ray diffraction analysis of a cyclic carbonate derivative 2 and the absolute configuration (2…”
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Salarins A and B and Tulearin A:  New Cytotoxic Sponge-Derived Macrolides by Bishara, Ashgan, Rudi, Amira, Aknin, Maurice, Neumann, Drorit, Ben-Califa, Nathalie, Kashman, Yoel

“…Three novel nitrogenous macrolides designated salarin A and B (1 and 2) and tulearin A (3) were isolated from the Madagascar Fascaplysinopsis sp. sponge. The…”
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