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The Structures and Stereochemistry of Cytotoxic Sesquiterpene Quinones from Dactylospongia elegans.
HOLOTHURINOSIDES : NEW ANTITUMOUR NON SULPHATED TRITERPENOID GLYCOSIDES FROM THE SEA CUCUMBER HOLOTHURIA FORSKALII
Abstract Five triterpene glycosides (holothurinosides A, B, C and D; 1,2,3 and 5 respectively) and desholothurin A ( 4 ) have been isolated from the sea cucumber Holothuria forskalii. Compounds 1 and… Expand
Onchidin: a cytotoxic depsipeptide with C2 symmetry from a marine mollusc
- Jaime Rodríguez, R. Fernández, E. Quiñoá, R. Riguera, C. Debitus, P. Bouchet
- 5 December 1994
Onchidin (1) is a cytotoxic depsipcptide isolatcd from thc pulmonate mollusc Onchidium sp. Its structure is cyclo (MeVal-Amo-Val-Hiv-Hiv-McVal-Amo-Val-Hiv-Hiv) made or two identical halves… Expand
Natural Products from Antarctic Colonial Ascidians of the Genera Aplidium and Synoicum: Variability and Defensive Role
A series of colonial Antarctic ascidians from deep-water collections belonging to the genera Aplidium and Synoicum are analyzed to evaluate the incidence of organic deterrents and their variability and the possible origin of both types of metabolites is discussed. Expand
Structure and Biosynthetic Assembly of Piscibactin, a Siderophore from Photobacterium damselae subsp. piscicida, Predicted from Genome Analysis
From the cultures of Photobacterium damselae subsp. piscicida, the aetiological agent of fish pasteurellosis, a new siderophore named piscibactin (1), was isolated as its gallium and iron(III)… Expand
Isolation and synthesis of (-)-(5S)-2-imino-1-methylpyrrolidine-5- carboxylic acid from Cliona tenuis: structure revision of pyrostatins.
- L. Castellanos, C. Duque, S. Zea, A. Espada, Jaime Rodríguez, C. Jiménez
- Chemistry, Medicine
- Organic letters
- 19 September 2006
Comparison of NMR spectral data strongly suggests that pyrostatins A and B are identical to 5-hydroxyectoine and ectoine, respectively. Expand
New dammarane triterpenes from the aerial parts of Ibicella lutea grown in Argentina.
- M. Simirgiotis, C. Jiménez, Jaime Rodríguez, O. Giordano, C. Tonn
- Chemistry, Medicine
- Journal of natural products
- 3 December 2003
Two new dammarane triterpenes have been isolated from the aerial parts of Ibicella lutea and were obtained along with the known compounds 20S,24S-epoxy-3beta,12beta,25-trihydroxydammarane (3) and apigenin. Expand
Structural Characterization of Vanchrobactin, a New Catechol Siderophore Produced by the Fish Pathogen Vibrio anguillarum Serotype O2.
Variation Among Known Kalihinol and New Kalihinene Diterpenes from the Sponge Acanthella cavernosa.
Isolation and synthesis of the first natural 6-hydroximino 4-en-3-one- steroids from the sponges Cinachyrella spp
Two new 6-hydroximino-4-en-3-one steroids: (24R, 6E)-24-ethylcholest-6-hydroximino-4-en-3-one (1) and (6E) cholest-6-hydroximino-4-en-3-one (2), accompanied by the known cholest-4-en-3-one were… Expand