Ligand-Free Pd-Catalyzed Carbonylative Cross-Coupling Reactions under Atmospheric Pressure of Carbon Monoxide: Synthesis of Aryl Ketones and Heteroaromatic Ketones

2011 ◽  
Vol 2011 (14) ◽  
pp. 2662-2667 ◽  
Author(s):  
Hongling Li ◽  
Min Yang ◽  
Yanxing Qi ◽  
Jijun Xue
2011 ◽  
Vol 7 ◽  
pp. 886-891 ◽  
Author(s):  
K Harsha Vardhan Reddy ◽  
V Prakash Reddy ◽  
A Ashwan Kumar ◽  
G Kranthi ◽  
YVD Nageswar

Potassium thiocyanate acts as an efficient sulfur surrogate in C–S cross-coupling reactions mediated by recyclable copper oxide nanoparticles under ligand free conditions. This protocol avoids foul smelling thiols, for the synthesis of a variety of symmetrical diaryl sulfides, via the cross-coupling of different aryl halides with potassium thiocyanate, affording corresponding products in moderate to excellent yields.


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