Diversification of Amidyl Radical Intermediates Derived from C-H Aminopyridylation.
Diversification of Amidyl Radical Intermediates Derived from C-H Aminopyridylation.
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DOI:
10.1021/acs.orglett.2c00869
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发表时间:
2022-04-15
期刊:
影响因子:
5.2
通讯作者:
Powers, David C.
中科院分区:
文献类型:
--
作者:
Maity, Asim;Roychowdhury, Pritam;Herrera, Roberto G.;Powers, David C.
The N-activating substituents typically encountered in C–H amination chemistry are challenging to remove and have limited scope for synthetic elaboration. Here, we demonstrate that N-benzylaminopyridinium species provide a platform for synthetic elaboration via reductive N–N bond activation to unveil electrophilic N-centered radicals. These reactive intermediates can be trapped either via anti-Markovnikov olefin carboamination to provide access to tetrahydroisoquinolines or via aza-Rubottom chemistry with silyl enol ethers to provide α-amino ketones.
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