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ChemInform Abstract: Novel 2′-Deoxy Pyrazine C-Nucleosides Synthesized via Palladium-Catalyzed Cross-Couplings.

✍ Scribed by J. A. II WALKER; J. J. CHEN; J. M. HINKLEY; D. S. WISE; L. B. TOWNSEND

Publisher: John Wiley and Sons
Year: 2010
Weight: 37 KB
Volume: 29
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.199815240

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✦ Synopsis

Novel 2'-Deoxy Pyrazine C-Nucleosides Synthesized via Palladium-Catalyzed Cross-Couplings.

-The first syntheses of the heretofore unknown 2'-deoxy pyrazine C-nucleosides (IV) and (VIII) are described. The convergent approach involves palladium-catalyzed cross-coupling and a stereospecific reduction as key steps. Exocyclic amines on the pyrazine do not prevent the coupling reaction and substituents on the 5-hydroxy group of the glycal do not alter the β-selectivity of this process. -(WALKER,

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