Reductive Arylation of Arylidene Malonates Using Photoredox Catalysis.

Reductive Arylation of Arylidene Malonates Using Photoredox Catalysis.
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DOI:
10.1021/acscatal.9b03608
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发表时间:
2019-11-01
期刊:
影响因子:
12.9
通讯作者:
Scheidt, Karl A.
Scheidt, Karl A.
中科院分区:
化学1区
文献类型:
--
作者:
Betori, Rick C.;Scheidt, Karl A.

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A strategy with arylidene malonates provides access to β-umpolung single-electron species. Reported here is the utilization of these operators in intermolecular radical–radical arylations, while avoiding conjugate addition/dimerization reactivity that is commonly encountered in enone-based photoredox chemistry. This reactivity relies on tertiary amines that serve to both activate the arylidene malonate for single-electron reduction by a proton-coupled electron transfer mechanism as well as serve as a terminal reductant. This photoredox catalysis pathway demonstrates the versatility of stabilized radicals for unique bond-forming reactions.
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