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We have developed an efficient method for the synthesis of benzimidazoles via cascade reactions of o-haloacetoanilide derivatives with amidine hydrochlorides. The protocol uses 10 mol % CuBr as the catalyst, Cs 2 CO 3 as the base, and DMSO as the solvent,...
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The preparation of spherical Y 2 O 2 S and Y 2 O 2 S:Eu particles using a solid–gas reaction of monodispersed precursors with elemental sulfur vapor under an argon atmosphere has been investigated. The precursors, undoped and doped yttrium basic...
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A new short synthesis of 3-substituted 5-amino-1-(chloromethyl)-1,2-dihydro-3H-benzo[e]indoles from Martius Yellow is disclosed. The key steps of the synthesis were three efficient regioselective reactions (iodination, 5-exo-trig aryl radical−alkene...
A new synthetic route to 3,3′-dihalo BINAMs based on the direct halogenation of H 8 -BINAM and subsequent rearomatization to the binaphthyl core has been developed. The combination of this new procedure and Pd-catalyzed coupling reactions enabled us to...
A series of novel monomers and polymers containing aromatic-donor and o-quinoid-acceptor units was prepared, and the relationship between their spectral and electrochemical properties and their structures was investigated. X-ray structure analyses of the...
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Compound 1 (PNU-95666E) is a selective and high-affinity agonist at the dopamine D 2 receptor subtype and is of interest as a potential agent for the treatment of Parkinson's disease. Requiring a synthetic route amenable to scale-up, a synthesis of this...
Developing new high-mobility polymeric semiconductors with good processability and excellent device environmental stability is essential for organic electronics. We report the synthesis, characterization, manipulation of charge carrier polarity, and device...
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A novel entry to the synthesis of diazoacetates is disclosed. A variety of diazoacetates were synthesized from the corresponding bromoacetates by treatment with N,N‘-ditosylhydrazine in moderate to high yields. Ease of operation with the stable crystalline...
Substitution of the ribose moiety of various nucleosides and nucleotides with the (N)-methanocarba ring system increases the potency and selectivity as ligands at certain subtypes of adenosine and P2 receptors.
Preparation and characterisation of fluorescent chitosans using 9-anthraldehyde as fluorophore.