Abstract
An efficient DTBP-promoted direct alkylation of quinoxaline-2(1H)-ones with aldehydes has been developed under metal-free conditions. The reaction undergoes sequential decarbonylation and radical addition using aliphatic aldehyde as a cheap and abundant alkyl radical source. A convenient and efficient approach for the synthesis of various 3-alkylquinoxaline-2(1H)-ones was provided.
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