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Stereospecific synthesis of chiral 2,3-dihydro-1,4-benzodithiine and methyl-2,3-dihydro-1,4-benzodithiine derivatives and their toxic effects on Trypanosoma brucei. 2005

Syed Tasadaque Ali Shah, and Patrick Merkel, and Hubert Ragge, and Michael Duszenko, and Jörg Rademann, and Wolfgang Voelter
Physiologisch-chemisches Institut der Universität Tübingen, Hoppe-Seyler Strasse 4, 72076 Tübingen, Germany.

Preparation of chiral 2,3-dihydro-1,4-benzodithiine and methyl-2,3-dihydro-1,4-benzodithiine derivatives with known absolute configurations from the easily accessible chiral synthons benzyl 4-O-trifloxy-2,3-anhydro-beta-L-ribopyranoside and benzyl 4-O-trifloxy-2,3-anhydro-alpha-D-ribopyranoside is described. These compounds showed significant in vitro toxicity of the bloodstream form of Trypanosoma brucei with an IC50 of 11 microM. The parasites' energy metabolism and consumption of oxygen were found to be affected during incubation.

UI MeSH Term Description Entries
D004305 Dose-Response Relationship, Drug The relationship between the dose of an administered drug and the response of the organism to the drug. Dose Response Relationship, Drug,Dose-Response Relationships, Drug,Drug Dose-Response Relationship,Drug Dose-Response Relationships,Relationship, Drug Dose-Response,Relationships, Drug Dose-Response
D006575 Heterocyclic Compounds, 3-Ring A class of heterocyclic compounds that include a three-ring fused structure. Both aromatic or non-aromatic ring structures are included in this category. Fused Heterocyclic Compounds, Three-Ring,Heterocyclic Cpds, 3 Ring,Three Ring Heterocyclic Compounds,3-Ring Heterocyclic Compounds,Fused Heterocyclic Compounds, Three Ring,Heterocyclic Compounds, 3 Ring
D000818 Animals Unicellular or multicellular, heterotrophic organisms, that have sensation and the power of voluntary movement. Under the older five kingdom paradigm, Animalia was one of the kingdoms. Under the modern three domain model, Animalia represents one of the many groups in the domain EUKARYOTA. Animal,Metazoa,Animalia
D013237 Stereoisomerism The phenomenon whereby compounds whose molecules have the same number and kind of atoms and the same atomic arrangement, but differ in their spatial relationships. (From McGraw-Hill Dictionary of Scientific and Technical Terms, 5th ed) Molecular Stereochemistry,Stereoisomers,Stereochemistry, Molecular,Stereoisomer
D014344 Trypanocidal Agents Agents destructive to the protozoal organisms belonging to the suborder TRYPANOSOMATINA. Trypanocidal Drugs,Trypanocides,Trypanosomicidal Agents,Trypanosomicides,Agents, Trypanocidal,Agents, Trypanosomicidal,Drugs, Trypanocidal
D014346 Trypanosoma brucei brucei A hemoflagellate subspecies of parasitic protozoa that causes nagana in domestic and game animals in Africa. It apparently does not infect humans. It is transmitted by bites of tsetse flies (Glossina). Trypanosoma brucei,Trypanosoma brucei bruceus,Trypanosoma bruceus,brucei brucei, Trypanosoma,brucei, Trypanosoma brucei,bruceus, Trypanosoma,bruceus, Trypanosoma brucei
D021261 Parasitic Sensitivity Tests Tests that demonstrate the relative effectiveness of chemotherapeutic agents against specific parasites. Drug Sensitivity Tests, Helminth,Drug Sensitivity Tests, Parasitic,Drug Sensitivity Tests, Protozoal,Helminth Drug Sensitivity Tests,Parasite Sensitivity Tests,Protozoa Drug Sensitivity Tests,Protozoal Drug Sensitivity Tests,Parasite Sensitivity Test,Parasitic Sensitivity Test,Sensitivity Test, Parasite,Sensitivity Test, Parasitic,Sensitivity Tests, Parasite,Test, Parasite Sensitivity,Test, Parasitic Sensitivity,Tests, Parasite Sensitivity,Tests, Parasitic Sensitivity

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