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Synthesis 2005(8): 1345-1349
DOI: 10.1055/s-2005-861871
DOI: 10.1055/s-2005-861871
PAPER
© Georg Thieme Verlag Stuttgart · New YorkPalladium-Catalyzed Cross-Coupling Reactions of 7-Bromo-2,3-diphenylpyrido[2,3-b]pyrazine
Further Information
Received
13 December 2004
Publication Date:
17 March 2005 (online)
Publication History
Publication Date:
17 March 2005 (online)

Abstract
First examples of palladium-catalyzed cross-coupling reactions, such as Suzuki, Sonogashira, Heck and Buchwald-Hartwig reactions, are reported in the pyrido[2,3-b]pyrazine series. This methodology circumvents problems found in uncatalyzed nucleophilic substitution used so far to introduce substituents into the pyrido[2,3-b]pyrazine ring.
Key words
palladium catalysis - cross-coupling - pyrido[2,3-b]pyrazine - heterocycles - synthesis
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