An Efficient Synthetic Protocol for Quinoxalinones, Benzoxazinones, and Benzothiazinones from 2-Oxo-2-aryl-acetyl Bromide Precursors

作者：Nagaraj Muthupandi; Sathiyamoorthy Sithuraj; Boominathan Muthusamy; Muthusubramanian Shanmugam^*; Bhuvanesh Nattamai

来源：Journal of Heterocyclic Chemistry, 2013, 50(5): 1146-1151.

DOI：10.1002/jhet.1557

alpha-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.

• 出版日期2013-9