Corrigendum to “Tantalum carbide doped by fluorine as non-precious metal anodic electrocatalyst superior to Pt/C for glycerol-oxidation” [Electrochim. Acta 227 (2017) 267–274]

2017 ◽  
Vol 232 ◽  
pp. 202 ◽  
Author(s):  
Xin Yue ◽  
Pei Kang Shen
Keyword(s):  
Precious Metal ◽  
Tantalum Carbide ◽  
Glycerol Oxidation ◽  
Anodic Electrocatalyst

Arene Dearomatization via Radical Hydroarylation

2019 ◽  
Author(s):  
Autumn Flynn ◽  
Kelly McDaniel ◽  
Meredith Hughes ◽  
David Vogt ◽  
Nathan Jui
Keyword(s):  
Precious Metal ◽  
Room Temperature ◽  
Aryl Halide ◽  
Solvent System ◽  
Benzene Derivatives ◽  
Green Solvent ◽  
Photocatalytic System

A photocatalytic system for the dearomative hydroarylation of benzene derivatives has been developed. Using a combination of an organic photoredox catalyst and an amine reductant, this process operates through a reductive radical-polar crossover mechanism where aryl halide reduction triggers a regioselective cyclization event, giving rise to a range of complex spirocyclic cyclohexadienes. This light-driven protocol functions at room temperature in a green solvent system (aq. MeCN), without the need for precious metal-based catalysts or reagents, or the generation of stoichiometric metal byproducts.

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