P(III)/P(V)-Catalyzed Methylamination of Arylboronic Acids and Esters: Reductive C-N Coupling with Nitromethane as a Methylamine Surrogate.
P(III)/P(V)-Catalyzed Methylamination of Arylboronic Acids and Esters: Reductive C-N Coupling with Nitromethane as a Methylamine Surrogate.
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DOI:
10.1021/jacs.0c08035
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发表时间:
2020-09-23
影响因子:
15
通讯作者:
Radosevich AT
中科院分区:
文献类型:
--
作者:
Li G;Qin Z;Radosevich AT
The direct reductive N-arylation of nitromethane by organophosphorus-catalyzed reductive C–N coupling with arylboronic acid derivatives is reported. This method operates by the action of a small ring organophosphorus-based catalyst (1,2,2,3,4,4-hexamethylphosphetane P-oxide) together with a mild terminal reductant hydrosilane to drive the selective installation of the methylamino group to (hetero)aromatic boronic acids and esters. This method also provides for a unified synthetic approach to isotopically-labeled N-methylanilines from various stable isotopologues of nitromethane (i.e. CD3NO2, CH315NO2 and 13CH3NO2), revealing this easy-to-handle compound as a versatile precursor for the direct installation of the methylamino group.
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