Chemoselective Oxyfunctionalization of Functionalized Benzylic Compounds with a Manganese Catalyst.
Chemoselective Oxyfunctionalization of Functionalized Benzylic Compounds with a Manganese Catalyst.
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DOI:
10.1002/anie.202205983
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发表时间:
2022-07-25
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影响因子:
--
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Whilst allowing for easy access to synthetically versatile motifs and for modification of bioactive molecules, the chemoselective benzylic oxidation reactions of functionalized alkyl arenes remain challenging. Reported in this study is a new non‐heme Mn catalyst stabilized by a bipiperidine‐based tetradentate ligand, which enables methylene oxidation of benzylic compounds by H2O2, showing high activity and excellent chemoselectivity under mild conditions. The protocol tolerates an unprecedentedly wide range of functional groups, including carboxylic acid and derivatives, ketone, cyano, azide, acetate, sulfonate, alkyne, amino acid, and amine units, thus providing a low‐cost, more sustainable and robust pathway for the facile synthesis of ketones, increase of complexity of organic molecules, and late‐stage modification of drugs. A new bipiperidine‐based manganese catalyst is introduced, which catalyzes the chemoselective benzylic oxidation of a wide range of diverse functionalized alkyl arenes with H2O2, affording various functionalized aryl ketones, cyclic imines, and bioactive molecules under mild conditions in a short time.
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影响因子:
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通讯作者:
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通讯作者:
Que, L