?-Amino Radical-Mediated Difunctionalization of Alkenes with Polyhaloalkanes and N-Heteroarenes
ORGANIC LETTERS(2023)
Abstract
Herein, we report a mild and practical protocol for the alpha-perchloroalkyl beta-heteroarylation of alkenes using available chloroform as the dichloromethyl source via alpha-amino radicalmediated halogen-atom transfer. Various substrates are compatible under mild reaction conditions, providing the corresponding products in moderate to good yields. This strategy gives an efficient and convenient method for the introduction of chloroalkyl motifs into N-heteroarenes. The control experiment demonstrates that the alpha-amino radical generated in situ is a key intermediate in the transformation.
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Key words
polyhaloalkanes,alkenes,radical-mediated
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