Dimethylglyoxime as an efficient ligand for copper-catalyzed hydroxylation of aryl halides
نویسندگان
چکیده
منابع مشابه
Lithium pipecolinate as a facile and efficient ligand for copper-catalyzed hydroxylation of aryl halides in water.
Direct hydroxylation of a wide scope of aryl halides was catalyzed by a combination of CuI and lithium pipecolinate in water with yields up to 92%.
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A highly efficient copper-catalyzed system using commercially available racemic 1,1′-binaphthyl-2,2′-diol (rac-BINOL) as the ligand was eveloped for amination of aryl halides and heteroaryl halides with alkyl amines and N H heterocycles. Good to high yields were obtained for aryl romides and heteroaryl chlorides. The commercially available rac-BINOL ligand with excellent stability and high effi...
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In this work, the ligand-free heterogeneous copper Cu-g-C3N4 was synthesized and used for the hydroxylation of aryl iodides to synthesize phenols using cheap bases. The catalyst was conveniently prepared, air-tolerant, reusable and scalable, and is very efficient for a wide range of substrates. The synthesis of substituted phenols can be carried out under air conditions and has great potential ...
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CuO/AB was found to be a simple and efficient catalyst for the N-arylation of a variety of nitrogen-containing heterocycles, giving the products in excellent yields.
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A practical and promising protocol was developed for N-arylations of various amines with differently substituted aryl halides. The processes are efficiently promoted by the catalyst system involving the environmentally benign Fe2O3 and the universal ligand L-proline. The versatility, convenient operation, low cost, and environmental friendliness, in combination with the high yields, render this...
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ژورنال
عنوان ژورنال: Journal of Chemical Sciences
سال: 2018
ISSN: 0974-3626,0973-7103
DOI: 10.1007/s12039-017-1416-x