This communication reveals an innovative and facile procedure to prepare quinoxalines in two synthetic steps. The microwave assisted Petasis reaction is followed by the acid mediated unmasking of an internal amino nucleophile, cyclodehydration and oxidation to give collections of quinoxalines in good to excellent yields.
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| http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3189012 | PMC |
| http://dx.doi.org/10.1016/j.tetlet.2011.06.115 | DOI Listing |
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