Search Results - "Rudi, Amira"

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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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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Recent heterocyclic compounds from marine invertebrates: Structure and synthesis by Kashman, Yoel, Rudi, Amira, Pappo, Doron

“…A large variety of unique heterocyclic natural marine products, without terrestrial counterparts, have been isolated from marine invertebrates, mainly sponges,…”
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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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Negombins A−I, New Chlorinated Polyfunctional Diterpenoids from the Marine Sponge Negombata Species by Rudi, Amira, Benayahu, Yehuda, Kashman, Yoel

“…Nine novel compounds designated negombins A−I (1−9) were isolated, together with latrunculin, from the Tanzanian sponge Negombata sp. The nine are sacculatane…”
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On the biogenesis of marine isoprenoids by Kashman, Yoel, Rudi, Amira

“…The isoprenoids comprise an important group among the marine natural products which are mainly obtained from soft corals, sponges and algae. The cembranes,…”
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Sinularectin, a new diterpenoid from the soft coral Sinularia erecta by Rudi, Amira, Shmul, Guy, Benayahu, Yehuda, Kashman, Yoel

“…A new rearranged norcembrane, sinularectin, was isolated from the soft coral Sinularia erecta collected in Kenya. A new norcembrane, designated sinularectin 3…”
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Violatinctamine, a new heterocyclic compound from the marine tunicate Cystodytes cf. violatinctus by Chill, Liat, Rudi, Amira, Benayahu, Yehuda, Kashman, Yoel

“…A new alkaloid designated violatinctamine was isolated from the tunicate Cystodytes cf. violatinctus collected in Kenya. Violatinctamine has a unique…”
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Mycgranol, a New Diterpene from the Marine Sponge Mycale aff. graveleyi by Rudi, Amira, Benayahu, Yehuda, Kashman, Yoel

“…Mycgranol, a new isocopalane diterpene (methyl 1β-hydroxy-2-oxoisocopalanoate) was isolated from the Kenyan sponge Mycale (Aegogropila) aff. graveleyi. The…”
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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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Clathculins A and B, Two Novel Nitrogen-Containing Metabolites from the Sponge Clathrina aff. reticulum by Rudi, Amira, Schleyer, Michael, Kashman, Yoel

“…Two novel acyclic diaza alkenynes, clathculins A and B (1 and 2), were isolated from the Indo-Pacific sponge Clathrina aff. reticulum collected in Sodwana Bay,…”
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Mode of inhibition of HIV-1 reverse transcriptase by polyacetylenetriol, a novel inhibitor of RNA- and DNA-directed DNA polymerases by Loya, Shoshana, Rudi, Amira, Kashman, Yoel, Hizi, Amnon

“…Polyacetylenetriol (PAT), a natural marine product from the Mediterranean sea sponge Petrosia sp., was found to be a novel general potent inhibitor of DNA…”
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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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Clathsterol, a Novel Anti-HIV-1 RT Sulfated Sterol from the Sponge Clathria Species by Rudi, Amira, Yosief, Tesfamariam, Loya, Shoshana, Hizi, Amnon, Schleyer, Michael, Kashman, Yoel

“…As part of a search for novel inhibitors of humandeficiency virus type 1 (HIV-1) reverse transcriptase (RT), the MeOH−EtOAc extract of a Red Sea sponge,…”
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Polycitone A and Polycitrins A and B: New Alkaloids from the Marine Ascidian Polycitor sp by Rudi, Amira, Goldberg, Israel, Stein, Zafra, Frolow, Felix, Benayahu, Yehuda, Schleyer, Michael, Kashman, Yoel

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Sarcodictyin A and Two Novel Diterpenoid Glycosides, Eleuthosides A and B, from the Soft Coral Eleutherobia aurea by Ketzinel, Sharon, Rudi, Amira, Schleyer, Michael, Benayahu, Yehuda, Kashman, Yoel

“…Sarcodictyin A and two novel diterpenoid glycosides, eleuthosides A and B, have been isolated from the soft coral Eleutherobia aurea collected from the…”
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Synthesis and Electrophilic Substitution of Pyrido[2,3,4-kl]-acridines by Koller, Avi, Rudi, Amira, Gravalos, Marta Garcia, Kashman, Yoel

“…Several new pyrido[2,3,4-kl]acridines were synthesized by reacting naphthoquinone, juglone or cyclohexan-1,3-dione with β,β’-diaminoketones in a biomimetic…”
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Three New Cytotoxic Metabolites from the Marine Sponge Plakortis halichondrioides by Rudi, Amira, Kashman, Yoel

“…Three new cytotoxic compounds, one a cyclic-peroxide-containing acid (5) and the two others alkylated dihydroxy alpha,beta-unsaturated C22 and C21 acids (6 and…”
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Yardenone and abudinol two new triterpenes from the marine sponge Ptilocaulis spiculifer by Rudi, Amira, Stein, Zafra, Goldberg, Israel, Yosief, Tesfamarian, Kashman, Yoel, Schleyer, Michael

“…Two novel triterpenes, yardenone ( 5) and abudinol ( 6) together with the known sodwanones A-D ( 1 – 4) have been isolated from the marine sponge Ptilocaulis…”
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