Oscillatoxin
WebAplysiatoxin and related compounds, debromoaplysiatoxin and oscillatoxin A (66), were initially isolated due to their proinflammatory actions, known from algal blooms that result in contact dermatitis known as ‘swimmer’s itch’. 149 A number of analogues with altered bromination and oxygenation have been isolated from cyanobacterial ... Webthe same nomenclature (oscillatoxin E and F) was applied to di erent aplysiatoxin derivatives by Tang et al. at almost the same time [29]. To avoid confusion, we have renamed compounds 3 and 4 oscillatoxin G and H, respectively. Furthermore, compound 1 was designated as oscillatoxin I. Table 1.
Oscillatoxin
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WebJun 21, 2024 · Finally, 1.1 mg of the compound was isolated. The chemical structure of the isolated compound was elucidated with spectroscopic methods, using HR-MS and 1D and 2D NMR techniques, and was revealed to be oscillatoxin I, a new member of the … WebNov 4, 2024 · Interest in the marine cyanobacteria natural products aplysiatoxin (ATX) and oscillatoxin (OTX) has been renewed recently due to the discovery of many new …
WebNATURAL PRODUCT OSCILLATOXIN D by JEFFREY DEAN KAHL, B.S. A DISSERTATION IN CHEMISTRY Submitted to the Graduate Faculty of Texas Tech University in Partial Fulfillment of the Requirements for the Degree of DOCTOR OF PHILOSOPHY Approved December, 1997 . Co^' I 1^ f3>ml ACKNOWLEDGMENTS WebMar 31, 2024 · Download Citation The Asymmetric Total Synthesis and Configuration Confirmation of Aplysiaenal and Nhatrangin A, Truncated Derivatives of Aplysiatoxin and Oscillatoxin Asymmetric total ...
WebOscillatoxin I showed cytotoxicity against the L1210 mouse lymphoma cell line and diatom growth-inhibition activity against the marine diatom Nitzschia amabilis. Cyanobacteria … WebMar 6, 2024 · Three new aplysiatoxins, neo-debromoaplysiatoxin D (1), oscillatoxin E (2) and oscillatoxin F (3), accompanied by four known analogues (4-7), were identified from the marine cyanobacterium Lyngbya sp. Structural frames differ amongst these metabolites, and therefore we classified compounds 1 and 4-6 as aplysiatoxins as they possess …
WebEnglish: Structure of oscillatoxin A, the polyacetate isolated from the marine blue-green algae belonging to the Oscillatoriaceae.
WebJul 1, 1996 · Debromoaplysiatoxin was also isolated from a mixture of two blue-green algae, Schizothrix calcicola and Oscillatoria nigroviridis, along with the 31-nor compound, oscillatoxin A, and related compounds (Mynderse and Moore, 1978; Entzeroth et al., 1985). staten island bridal expoWebNov 11, 2024 · The absolute configuration of oscillatoxin J (1) was determined by single-crystal X-ray diffraction, and the absolute configurations of oscillatoxin K (2), oscillatoxin L (3) and oscillatoxin M (4) were confirmed on the basis of GIAO NMR shift calculation followed by DP4 analysis. The current study confirmed the absolute configuration of the ... staten island bridge toll costWebA collection of Lyngbya majuscula from Palau contained the peptides dolastatin 3 (1), homodolastatin 3 (2), and kororamide (3), together with aplysiatoxin (4), debromoaplysiatoxin (5), and oscillatoxin A (6). The structures of the new peptides homodolastatin 3 (2) and kororamide (3) were determined … staten island bridge closuresWebApr 26, 2024 · The marine cyanobacterium Moorea producens is a rich source of diverse compounds that possess a variety of biological activities. In the present study, eight new aplysiatoxin derivatives, namely 6, 8–13, and 15, along with aplysiatoxin (1), debromoaplysiatoxin (2), 3-methoxyaplysiatoxin (3), anhydroaplysiatoxin (4), … staten island borough president\u0027s officeWebApr 14, 2024 · The spiro-ether skeleton is a characteristic structural feature of some OTX/ATX derivatives. In 1985, Moore's group isolated OTX-D (1) and 30-Me-OTX-D (3), … staten island build it back director carolineWebMay 8, 1995 · Oscillatoxin D (la) and 30-methylosciUatoxin D (lb) co-occur with aplysiatoxins, potent tumor promoters, in the marine blue-green algae belonging to the … staten island bucks business networkWebChemInform Abstract: TOXINS FROM BLUE-GREEN ALGAE- STRUCTURES OF OSCILLATOXIN A AND THREE RELATED BROMINE-CONTAINING TOXINS. Chemischer Informationsdienst 1978, 9 (43) DOI: 10.1002/chin.197843257. Andrew Humpage. Toxin types, toxicokinetics and toxicodynamics. ,,, 383-415. DOI: 10.1007/978-0-387-75865-7_16. staten island bridge toll price