Nano CoCuFe2O4-catalyzed coupling reaction of arylboronic acid with amines and thiols: An atom-economic and ligand-free route to access unsymmetrical amines and sulfides

2018 ◽  
Vol 32 (12) ◽  
pp. e4568 ◽  
Author(s):  
Firouz Matloubi Moghaddam ◽  
Raheleh Pourkaveh ◽  
Milad Gholamtajari
Keyword(s):  
Coupling Reaction ◽  
Arylboronic Acid ◽  
Ligand Free

Ligand-Free Copper Powder Catalyzed Direct Coupling Reaction of Heterocyclic C–H Bonds and Aryl Halides

Synthesis ◽  
2012 ◽  
Vol 44 (19) ◽  
pp. 3027-3032 ◽  
Author(s):  
Yu Yuan ◽  
Ying Han ◽  
Xiaohu Wang ◽  
Xiaowei Wang ◽  
Liangzhong Lv ◽  
...  
Keyword(s):  
Copper Powder ◽  
Coupling Reaction ◽  
Direct Coupling ◽  
Aryl Halides ◽  
Ligand Free

Ligand-free Cu-catalyzed O-arylation of aliphatic diols

RSC Advances ◽  
2015 ◽  
Vol 5 (81) ◽  
pp. 66104-66108 ◽  
Author(s):  
Yufen Zheng ◽  
Wenxing Zou ◽  
Laichun Luo ◽  
Jiabei Chen ◽  
Songwen Lin ◽  
...  
Keyword(s):  
Copper Catalyst ◽  
Scale Up ◽  
Coupling Reaction ◽  
Aryl Iodides ◽  
Ligand Free

Coupling reaction between aryl iodides with aliphatic diols was realized with a ligand-free copper catalyst. This method was successfully applied in the process of scale-up synthesis of medicinal candidate product EMB-3.

Ligand free copper(i)-catalyzed synthesis of diaryl ether with Cs2CO3via a free radical path

2015 ◽  
Vol 44 (27) ◽  
pp. 12086-12090 ◽  
Author(s):  
Hong-Jie Chen ◽  
Mei-Chun Tseng ◽  
I-Jui Hsu ◽  
Wei-Ting Chen ◽  
Chien-Chung Han ◽  
...  
Keyword(s):  
Free Radical ◽  
Catalytic Reaction ◽  
Coupling Reaction ◽  
Reaction Conditions ◽  
Esi Ms ◽  
Ms Analysis ◽  
Diaryl Ether ◽  
Ligand Free

Complexes [Cu(i)(2,4-dimethylphenoxy)2]− (A) and [Cu(ii)(2,4-dimethylphenoxy)2(p-tolyl)]− (B) were observed by in situ ESI-MS analysis of the ligand free copper(i)-catalyzed C–O coupling reaction using Cs2CO3 under the catalytic reaction conditions.

Divergent Synthesis of Indole-2-carboxylic Acid Derivatives via Ligand-free Copper-catalyzed Ullmann Coupling Reaction

Heterocycles ◽  
2019 ◽  
Vol 98 (7) ◽  
pp. 904
Author(s):  
Jianjun Li ◽  
Jiadi Zhou ◽  
Yongjian Chen ◽  
Junsong Huang
Keyword(s):  
Carboxylic Acid ◽  
Coupling Reaction ◽  
Ligand Free ◽  
Ullmann Coupling

Heterogeneous Pd/C-catalyzed, ligand free Suzuki–Miyaura coupling reaction furnishes new p-terphenyl derivatives

2020 ◽  
pp. 1-5
Author(s):  
Satya Kumar Avula ◽  
Najeeb Ur Rehman ◽  
Muhammad U. Anwar ◽  
Ghanim Aalthani ◽  
Rene Csuk ◽  
...  
Keyword(s):  
Coupling Reaction ◽  
Ligand Free

Ligand-free Stille cross-coupling reaction using Pd/CaCO3 as catalyst reservoir

2007 ◽  
Vol 48 (43) ◽  
pp. 7671-7674 ◽  
Author(s):  
Aline V. Coelho ◽  
Andréa Luzia F. de Souza ◽  
Paulo G. de Lima ◽  
James L. Wardell ◽  
O.A.C. Antunes
Keyword(s):  
Coupling Reaction ◽  
Cross Coupling ◽  
Cross Coupling Reaction ◽  
Ligand Free
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