Activation of reducing agents. Sodium hydride containing complex reducing agents. 32. NiCRAL's as very efficient agents in promoting cross-coupling of aryl halides

1989 ◽  
Vol 54 (20) ◽  
pp. 4844-4848 ◽  
Author(s):  
Mouhsine Lourak ◽  
Regis Vanderesse ◽  
Yves Fort ◽  
Paul Caubere
Keyword(s):  
Cross Coupling ◽  
Sodium Hydride ◽  
Reducing Agents ◽  
Aryl Halides

Carbon-Heteroatom Cross-Coupling via an Electronically Excited Nickel (II) Complex

2019 ◽  
Author(s):  
Randolph Escobar ◽  
Jeffrey Johannes
Keyword(s):  
Energy Transfer ◽  
Functional Groups ◽  
Cross Coupling ◽  
Reductive Elimination ◽  
Aryl Halides ◽  
Coupling Reactions ◽  
General Methodology ◽  
Cross Coupling Reactions ◽  
Electronically Excited ◽  
Energy Transfer Pathway

<div>While carbon-heteroatom cross coupling reactions have been extensively studied, many methods are specific and</div><div>limited to a set of substrates or functional groups. Reported here is a method that allows for C-O, C-N and C-S cross coupling reactions under one general methodology. We propose that an energy transfer pathway, in which an iridium photosensitizer produces an excited nickel (II) complex, is responsible for the key reductive elimination step that couples aryl halides to 1° and 2° alcohols, anilines, thiophenols, carbamates and sulfonamides.</div>

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