Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5274303 | Tetrahedron Letters | 2012 | 5 Pages |
Abstract
A simple and highly efficient metal-free method for the synthesis of 2-(pyrazin-2-yl)benzimidazoles has been developed on the basis of the novel ring contraction of 3-aroyl- and 3-alkanoylquinoxalin-2-ones with diaminomaleonitrile.
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