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- W4225265345 abstract "Abstract C−H amination reactions provide the opportunity to streamline the synthesis of nitrogen‐containing organic small molecules. The impact of intermolecular C−H amination methods, however, is currently limited the frequent requirement for the amine precursors to bear activating groups, such as N ‐sulfonyl substituents, that are both challenging to remove and not useful synthetic handles for subsequent derivatization. Here, we introduce traceless nitrogen activation for C−H amination—which enables application of selective C−H amination chemistry to the preparation of diverse N ‐functionalized products—via sequential benzylic C−H N ‐aminopyridylation followed by Ni‐catalyzed C−N cross‐coupling with aryl boronic acids. Unlike many C−H amination reactions that provide access to protected amines, the current method installs an easily diversifiable synthetic handle that serves as a lynchpin for C−H amination, deaminative N−N functionalization sequences." @default.
- W4225265345 created "2022-05-04" @default.
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- W4225265345 date "2022-05-20" @default.
- W4225265345 modified "2023-10-14" @default.
- W4225265345 title "Traceless Benzylic C−H Amination via Bifunctional <i>N</i>‐Aminopyridinium Intermediates" @default.
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- W4225265345 doi "https://doi.org/10.1002/ange.202200665" @default.
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