A Practical Synthesis of Bridged Diarylacetylenes
نویسندگان
چکیده
منابع مشابه
Synthesis of Bridged Bithiazoles
Bridged bithiazoles (5,5'-ethylene-4,4'-bithiazoles) are synthesized as a good chelating agent.
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bridged bithiazoles (5,5'-ethylene-4,4'-bithiazoles) are synthesized as a good chelating agent.
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The synthesis of a bridged thiolactam is described. This thiolactam is shown to undergo an unusual C-N bond cleavage reaction under conditions of its synthesis. Spectroscopic properties of the thiolactam indicate a considerable degree of twist of the thioamide bond.
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A flexible and short synthesis of sulfonamide-bridged di-, tri-, tetra-, and octasaccharide glycomimetics was accomplished by reaction of glycosyl thioacetates with amino sugar substrates. The chemistry to incorporate the sulfonamide linker in place of a native O-glycosidic bond was broadly scoped, allowing access to head-to-head (1↔1) and head-to-tail (1→2), (1→3), (1→4), and (1→6) sulfonamide...
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Many biologically active peptides found in nature exhibit a bicyclic structure wherein a head-to-tail cyclic backbone is further constrained by an intramolecular linkage connecting two side chains of the peptide. Accordingly, methods to access macrocyclic peptides sharing this overall topology could be of significant value toward the discovery of new functional entities and bioactive compounds....
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ژورنال
عنوان ژورنال: The Journal of Organic Chemistry
سال: 2006
ISSN: 0022-3263,1520-6904
DOI: 10.1021/jo060817w