Solvent and Base in One: Tetra‐n‐butylammonium Acetate as a Multi‐Purpose Ionic Liquid Medium for Ru‐Catalyzed Directed Mono‐ and Di‐o‐C–H Arylation Reactions
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DOI: 10.1002/ejoc.201701022
Abstract: Ru-catalyzed directed o-C–H arylation reactions of 2-phenylpyridine, N-phenylpyrazole, acetophenone N-(p-methoxyphenyl)imine, and 2-phenyloxazoline proceed in good to excellent yields with a number of functionalized aryl and heteroaryl bromides in neat Bu4NOAc at 120 °C. The acetate… read more here.
Keywords: ionic liquid; purpose ionic; catalyzed directed; arylation ... See more keywords
Synthesis of Fluoranthene Derivatives via Tandem Suzuki–Miyaura and Intramolecular C–H Arylation Reactions under Both Homogeneous and Heterogeneous Catalytic Conditions
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DOI: 10.1021/acsomega.7b01566
Abstract: A catalytic method for the synthesis of substituted fluoranthenes that operates via tandem Suzuki–Miyaura and intramolecular C–H arylation reactions is reported. The overall reaction sequence works effectively with homogeneous catalysis using Pd(dppf)Cl2 as well as… read more here.
Keywords: intramolecular arylation; via tandem; tandem suzuki; suzuki miyaura ... See more keywords
C–H arylation reactions through aniline activation catalysed by a PANI-g-C3N4-TiO2 composite under visible light in aqueous medium
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DOI: 10.1039/c8gc00012c
Abstract: A PANI (polyaniline)-g-C3N4-TiO2 composite was prepared and found to be efficient for radical C–H arylation reactions. The arylation process involved coupling of in situ generated aryl diazonium salts from aniline with heteroarenes, enol acetates or… read more here.
Keywords: c3n4 tio2; visible light; tio2 composite; light aqueous ... See more keywords