Diamine ligands in copper-catalyzed reactions

DS Surry, SL Buchwald - Chemical science, 2010 - pubs.rsc.org
The utility of copper-mediated cross-coupling reactions has been significantly increased by
the development of mild reaction conditions and the ability to employ catalytic amounts of …

L-Proline: A versatile organo-catalyst in organic chemistry

BR Thorat, SN Mali, SS Wavhal… - … Chemistry & High …, 2023 - ingentaconnect.com
Background: L-proline is a natural amino acid having secondary amine functionality and
acts as a bifunctional catalyst (organo-catalyst). The amino-functional group acts as Lewis …

Cu-Catalyzed Couplings of Heteroaryl Primary Amines and (Hetero) aryl Bromides with 6-Hydroxypicolinamide Ligands

DJ Bernhardson, DW Widlicka… - … Process Research & …, 2019 - ACS Publications
A family of 6-hydroxypicolinamide ligands have been identified as effective supporting
ligands for Cu-catalyzed couplings of heteroaryl bromides and chlorides with heteroaryl …

Efficient Synthesis of 1,2,3‐Triazoles by Copper‐Mediated CN and NN Bond Formation Starting From N‐Tosylhydrazones and Amines

Z Chen, Q Yan, H Yi, Z Liu, A Lei… - Chemistry–A European …, 2014 - Wiley Online Library
An effective copper‐mediated synthesis of 1, 5‐dialkyl‐4‐aryl‐1, 2, 3‐triazoles and 1, 4‐
dialkyl‐5‐aryl‐1, 2, 3‐triazoles has been achieved by the use of different N‐tosylhydrazones …

Copper-Catalyzed Reactions of Aryl Halides with N-Nucleophiles and Their Possible Application for Degradation of Halogenated Aromatic Contaminants

T Weidlich, M Špryncová, A Čegan - Catalysts, 2022 - mdpi.com
This review summarizes recent applications of copper or copper-based compounds as a
nonprecious metal catalyst in N-nucleophiles-based dehalogenation (DH) reactions of …

Recent advances in the transition metal catalyzed etherification reactions

KK Krishnan, SM Ujwaldev, KS Sindhu, G Anilkumar - Tetrahedron, 2016 - Elsevier
The C single bond O bond-forming reactions are important in organic synthesis due to the
presence of these bonds in numerous natural products, biologically important compounds …

Mechanistic and performance studies on the ligand-promoted ullmann amination reaction

QA Lo, D Sale, DC Braddock, RP Davies - ACS Catalysis, 2018 - ACS Publications
Over the last two decades many different auxiliary ligand systems have been utilized in the
copper-catalyzed Ullmann amination reaction. However, there has been little consensus on …

Copper (ii)-catalyzed C–O coupling of aryl bromides with aliphatic diols: synthesis of ethers, phenols, and benzo-fused cyclic ethers

Y Liu, SK Park, Y Xiao, J Chae - Organic & Biomolecular Chemistry, 2014 - pubs.rsc.org
A highly efficient copper-catalyzed C–O cross-coupling reaction between aryl bromides and
aliphatic diols has been developed employing a cheaper, more efficient, and easily …

Efficient copper (I)-catalyzed coupling of secondary phosphine oxides with aryl halides

M Stankevič, A Włodarczyk - Tetrahedron, 2013 - Elsevier
A catalytic system has been developed for the efficient synthesis of tertiary arylphosphine
oxides by coupling of readily available secondary phosphine oxides with aryl bromides or …

A recyclable Cu-catalyzed C–N coupling reaction in water and its application to synthesis of imidazo [1, 2-a] quinoxaline

L Huang, R Yu, X Zhu, Y Wan - Tetrahedron, 2013 - Elsevier
Abstract Polystyrene-supported pyrrole-2-carbohydrazide (PSP) was synthesized and
combined with CuI to make up a recyclable heterogeneous catalytic system for Ullmann-type …