scholarly journals C-Arylation reactions catalyzed by CuO-nanoparticles under ligand free conditions

2010 ◽  
Vol 6 ◽  
Author(s):  
Mazaahir Kidwai ◽  
Saurav Bhardwaj ◽  
Roona Poddar
Keyword(s):  
Heterogeneous Catalyst ◽  
Cuo Nanoparticles ◽  
Aryl Halides ◽  
Excellent Yield ◽  
Ligand Free ◽  
Active Methylene Compounds ◽  
Active Methylene

CuO-nanoparticles were found to be an excellent heterogeneous catalyst for C-arylation of active methylene compounds using various aryl halides. The products were obtained in good to excellent yield. The catalyst can be recovered and reused for four cycles with almost no loss in activity.

A copper nitride catalyst for the efficient hydroxylation of aryl halides under ligand-free conditions

2021 ◽  
Author(s):  
Hang Xu ◽  
Sho Yamaguchi ◽  
Takato Mitsudome ◽  
Tomoo Mizugaki
Keyword(s):  
Catalytic Activity ◽  
Heterogeneous Catalyst ◽  
Aryl Halides ◽  
High Catalytic Activity ◽  
Copper Nitride ◽  
Ligand Free

Copper nitride (Cu3N) was used as a heterogeneous catalyst for the hydroxylation of aryl halides under ligand-free conditions. The cubic Cu3N nanoparticles showed high catalytic activity, comparable to those of...

scholarly journals Pd-catalyzed intramolecular addition of active methylene compounds to alkynes with subsequent cross-coupling with (hetero)aryl halides

RSC Advances ◽  
2019 ◽  
Vol 9 (68) ◽  
pp. 40152-40167 ◽  
Author(s):  
Aleksandra Błocka ◽  
Paweł Woźnicki ◽  
Marek Stankevič ◽  
Wojciech Chaładaj
Keyword(s):  
Functional Group ◽  
Cross Coupling ◽  
Aryl Halides ◽  
Mechanistic Studies ◽  
Rate Limiting Step ◽  
Limiting Step ◽  
Active Methylene Compounds ◽  
Tandem Cyclization ◽  
Rate Limiting ◽  
Active Methylene

A tandem cyclization/coupling of acetylenic active methylene compounds with aryl halides features broad scope and excellent functional group compatibility. Mechanistic studies identified 5-exo-dig cyclization as the rate limiting step.

Tamarix gallica leaf extract mediated novel route for green synthesis of CuO nanoparticles and their application for N-arylation of nitrogen-containing heterocycles under ligand-free conditions

RSC Advances ◽  
2015 ◽  
Vol 5 (51) ◽  
pp. 40628-40635 ◽  
Author(s):  
Mahmoud Nasrollahzadeh ◽  
S. Mohammad Sajadi ◽  
Mehdi Maham
Keyword(s):  
Catalytic Activity ◽  
Green Synthesis ◽  
Leaf Extract ◽  
Cuo Nanoparticles ◽  
Aryl Halides ◽  
Cuo Nps ◽  
Ligand Free ◽  
Tamarix Gallica

We report the green synthesis of CuO nanoparticles (CuO NPs) using Tamarix gallica leaf extract and their catalytic activity for N-arylation of nitrogen-containing heterocycles with aryl halides under ligand-free conditions.

Cu2O/Graphene as an Efficient and Ligand Free Heterogeneous Catalyst for Ullmann Coupling of N–H Containing Compounds with Aryl Halides

2018 ◽  
Vol 22 (3) ◽  
pp. 123-128 ◽  
Author(s):  
Yibing Wang ◽  
Jingru Wang ◽  
Bing Wang ◽  
Yingyong Wang ◽  
Guoqiang Jin ◽  
...  
Keyword(s):  
Heterogeneous Catalyst ◽  
Aryl Halides ◽  
Ligand Free ◽  
Ullmann Coupling

Ligand-free N-arylation of heterocycles using metal–organic framework [Cu(INA)2] as an efficient heterogeneous catalyst

RSC Advances ◽  
2015 ◽  
Vol 5 (130) ◽  
pp. 107547-107556 ◽  
Author(s):  
Thanh Truong ◽  
Chi V. Nguyen ◽  
Ngoc T. Truong ◽  
Nam T. S. Phan
Keyword(s):  
Heterogeneous Catalyst ◽  
Metal Organic Framework ◽  
Aryl Halides ◽  
Wide Range ◽  
Ligand Free ◽  
Metal Organic ◽  
Efficient Heterogeneous Catalyst ◽  
Organic Framework

A metal–organic framework [Cu(INA)2] was synthesized and used as a heterogeneous catalyst for arylation of a wide range of N–H heterocycles and aryl halides under ligand-free conditions.

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