Synthesis of phenol, aromatic ether, and benzofuran derivatives by copper-catalyzed hydroxylation of aryl halides. Zhao, Dongbing,Wu, Ningjie,Zhang, Shuai,Xi, Peihua,Su, Xiaoyu,Lan, Jingbo,You, Jingsong. Angewandte Chemie - International Edition . 2009...
C–O/C–S cross coupling of aryl halides with phenol or thiophenol was studied under ligand-free condition at room temperature over CuO nanocatalyst. The scope of the reaction was extended to various aryl halides and substituted phenols under optimized condition. In general, efficient, selective,...
These include weakly acidic metal halides, such as AlCl3–MeNO2, FeCl3, TiCl4, SnCl4 and ZnCl2; protic acids such as H3PO4, HF, H2SO4 and polyphosphoric acid; solid superacids such as Nafion-H; and inorganic acidic oxides such as P2O5, alumina, natural and synthetic alumino...
In this communication,we report the,rst reductive cross-electrophile coupling of wide range of aryl (pseudo)halides with a malononitrile derivative for a one-step synthesis of benzonitriles (Scheme 1a,bottom arrow).The reaction uses 2-methyl-2-phenylmalononitrile (MPMN), a nontoxic,C-bound sourc...
Kozak.Iron( III ) amine-bis(phenolate) complexes as catalysts for the coupling of alkyl halides with aryl Grignard reagents. Chemical Communications . 2008Chowdhury RR, Crane AK, Fowler C, Kwong P, Kozak CM (2008) Iron(III) amine-bis(phenolate) complexes as catalysts for the coupling of ...
used as the nucleophile, ester compounds could be formed through sequential transformation and the CO conversion could reach 59% (Fig.8cand Supplementary Note20). Furthermore, conducting the reaction by replacing the nucleophile with phenol, led to the success of the phenoxycarbonylation with the ...
Cu0 Nanoparticles Deposited on Nanoporous Polymers: A Recyclable Heterogeneous Nanocatalyst for Ullmann Coupling of Aryl Halides with Amines in Water John Mondal1, Anup Biswas1*, Shunsuke Chiba1 & Yanli Zhao1,2 1Division of Chemistry and Biological Chemistry, School of Physical and Mathematical ...
substituents may be greater than one, the substituents are independently selected from the group of defined substituents (when they are greater than one). In addition, when the subscript indicates a range, for example (R)ij, the number of substituents may be selected from integers including i ...
1. In a process for recovering oil from oil-in-water emulsions stabilized by clay and other solids comprising the steps of: subjecting said emulsions to the action of an effective amount of non-ionic, water-soluble, aryl sulfonates-oxyalkylated phenolformadehyde resins; the improvement consisting...
particularly metal salts such as alkaline metal halides, carbonates, phenates, acetates and alcoholates. Currently, the metal halides, particularly the metal fluorides such as cesium fluoride, are preferred. It has been found that the metal halide catalysts, especially the metal fluorides, provide ...