An Efficient Synthetic Protocol for Quinoxalinones,Benzoxazinones, and Benzothiazinones from 2‐Oxo‐2‐aryl‐acetyl Bromide Precursors |
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| Authors: | Muthupandi Nagaraj Sithuraj Sathiyamoorthy Muthusamy Boominathan Shanmugam Muthusubramanian Nattamai Bhuvanesh |
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| Affiliation: | 1. Department of Organic Chemistry, School of Chemistry, Madurai Kamaraj University, , Madurai, 625021 India;2. X‐ray Diffraction Lab, Department of Chemistry, Texas A&M University, , College Station, TX, 77842 USA |
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| Abstract: | α‐Bromoketones undergo selenium dioxide oxidation to yield reactive 2‐oxo‐2‐arylacetyl bromides that are trapped by aryl‐1,2‐diamines, 1,2‐aminophenol or 1,2‐aminothiophenol to give quinoxalinones, benzoxazinones, and benzothiazinones, respectively, in good yield. |
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