WEPA: a bio-derived medium for added base, π-acid and ligand free Ullmann coupling of aryl halides using Pd(OAc)2

2018 ◽  
Vol 54 (87) ◽  
pp. 12333-12336 ◽  
Author(s):  
Jangam Lakshmidevi ◽  
Rama Moorthy Appa ◽  
Bandameeda Ramesh Naidu ◽  
S. Siva Prasad ◽  
Loka Subramanyam Sarma ◽  
...  
Keyword(s):  
Palladium Catalysis ◽  
Water Extract ◽  
Reducing Agent ◽  
Aryl Halides ◽  
Ligand Free ◽  
Ullmann Coupling

Water extract of pomegranate ash (WEPA), an agro waste (bio) derived novel and sustainable medium, has been developed for the Ullmann coupling of aryl halides under added base, ligand and reducing agent free palladium catalysis in open-air.

Nano-CuO-Catalyzed Ullmann Coupling of Phenols with Aryl Halides under Ligand-Free Conditions

2008 ◽  
Vol 2008 (30) ◽  
pp. 5112-5116 ◽  
Author(s):  
Jintang Zhang ◽  
Zuhui Zhang ◽  
Ye Wang ◽  
Xiaoqi Zheng ◽  
Zhiyong Wang
Keyword(s):  
Aryl Halides ◽  
Ligand Free ◽  
Ullmann Coupling

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

ChemInform Abstract: Nano-CuO-Catalyzed Ullmann Coupling of Phenols with Aryl Halides under Ligand-Free Conditions.

ChemInform ◽  
2009 ◽  
Vol 40 (7) ◽  
Author(s):  
Jintang Zhang ◽  
Zuhui Zhang ◽  
Ye Wang ◽  
Xiaoqi Zheng ◽  
Zhiyong Wang
Keyword(s):  
Aryl Halides ◽  
Ligand Free ◽  
Ullmann Coupling

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...

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

Mesoporous chromium oxide doped palladium catalysis for cyanation reaction of some aryl halides

2021 ◽  
Author(s):  
Kaan Karaoğlu ◽  
Hakkı Türker Akçay ◽  
Zehra Özçiftçi ◽  
Melike Çalışkan ◽  
Talat Baran
Keyword(s):  
Chromium Oxide ◽  
Palladium Catalysis ◽  
Aryl Halides ◽  
Cyanation Reaction

ChemInform Abstract: Solvent- and Ligand-Free Palladium-Catalyzed Amination of Aryl Halides.

ChemInform ◽  
2014 ◽  
Vol 45 (16) ◽  
pp. no-no
Author(s):  
Luca Basolo ◽  
Alice Bernasconi ◽  
Gianluigi Broggini ◽  
Silvia Gazzola ◽  
Egle M. Beccalli
Keyword(s):  
Aryl Halides ◽  
Ligand Free ◽  
Palladium Catalyzed

scholarly journals Betti Base as an Efficient Ligand for Copper-Catalyzed Ullmann Coupling of Phenol with Aryl Halides

2014 ◽  
Vol 44 (17) ◽  
pp. 2468-2477 ◽  
Author(s):  
Li Yang ◽  
Qichao Yang ◽  
Jianxin Shi ◽  
Yufang Wang ◽  
Mingjie Zhang
Keyword(s):  
Aryl Halides ◽  
Betti Base ◽  
Ullmann Coupling
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