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ChemInform Abstract: Importance of an Acid Additive in the Synthesis of Pyrido[1,2-a]benzimidazoles by Direct Copper-Catalyzed Amination.

✍ Scribed by Kye-Simeon Masters; Tom R. M. Rauws; Ashok K. Yadav; Wouter A. Herrebout; Benjamin Van der Veken; Bert U. W. Maes

Publisher
John Wiley and Sons
Year
2011
Weight
42 KB
Volume
42
Category
Article
ISSN
0931-7597

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On the Importance of an Acid Additive in
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Supporting information for this article is available on the WWW under http://dx.doi.org/10.1002/chem.201100574. Scheme 1. Cu II -catalyzed intramolecular CΓ€H amination.

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## Abstract Electron‐withdrawing substituents in the meta position of the aniline moiety and any position of the pyridine ring are unfavorable in this reaction.