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Cross-coupling

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Monodisperse palladium nanoparticles supported on chemically derived graphene: highly active and reusable nanocatalysts for Suzuki–Miyaura cross-coupling reactions

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General procedure for the Suzuki–Miyaura cross-coupling reactions. The details of the procedure used for the catalytic Suzuki–Miyaura cross-coupling reactions and the methods for product analysis can be found in our recent publications. Recycling of CDG-Pd catalyst in Suzuki–Miyaura cross-coupling reactions.

Palladium-catalysed Suzuki–Miyaura cross-coupling with imidazolylidene ligands substituted by crowded resorcinarenyl and calixarenyl units

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General procedure for palladium-catalysed Suzuki–Miyaura cross-coupling reactions. After cooling to room temperature, a small amount (0.5 mL) of the resulting solution was passed through a Millipore filter and analysed by GC. The beneficial role of the resorcinarenylmethyl fragment over that of a benzyl one was shown in Suzuki–Miyaura cross coupling experiments involving aryl bromides (activity increase of ca.

Copper-free Sonogashira cross-coupling reactions catalyzed by an efficient dimeric C,N-palladacycle in DMF/H2O

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Characterization of the products of Sonogashira cross-coupling reactions.

Efficient C–C cross-coupling reactions by (isatin)-Schiff base functionalized magnetic nanoparticle-supported Cu(II) acetate as a magnetically recoverable catalyst

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These catalysts showed high efficiency for phosphine-free Mizoroki–Heck and Suzuki–Miyaura cross-coupling reactions with good diversity and generality.

A simple approach to bis-spirocycles and spiroindole derivatives via green methods such as Fischer indolization, ring-closing metathesis, and Suzuki–Miyaura cross-coupling

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Suzuki–Miyaura cross-coupling. To this end, the Suzuki coupling reaction of commercially available phenyl boronic acid was performed with 9 and the desired cross-coupling product 10a was obtained in 97% yield (Scheme 2. Therefore, we are interested in synthesizing various spiroindole derivatives by employing RCM, Fischer indolization, and the Suzuki–Miyaura cross-coupling reactions as key steps.

Synthesis, characterization, and microwave-assisted catalytic activity in Heck, Suzuki, Sonogashira, and Buchwald–Hartwig cross-coupling reactions of novel benzimidazole salts bearing N-phthalimidoethyl and benzyl moieties

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Heck, Suzuki, Sonogashira, and Buchwald–Hartwig cross-coupling reactions of novel benzimidazole salts bearing N-phthalimidoethyl and

Substituted 2-(2’-pyridyl)benzimidazole palladium(II) complexes as an efficient catalytic system for Suzuki–Miyaura cross-coupling reactions

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All of the Pd(II) complexes (5A 1 , 5A 2 , 6B 1 , 6B 2 , 6B 3 , and 7C 1 ) were screened in the Suzuki–Miyaura cross-coupling reactions of aryl halides with phenylboronic acid. The effect of the catalyst was examined for the Suzuki–Miyaura cross-coupling reactions (Figure 2). 6.76 (d, J = 8.0 Hz, 1H, Ar-CH. 7.03–7.07 (m, 1H, Ar-CH. 7.20–7.35 (m, 2H, Ar-CH. 7.85–7.89 (m, 2H, Ar-CH. 8.44–8.46 (dd, J Hz, 1H, Ar-CH. 8.70–8.72 (m, 1H, Ar-CH.

Resorcinarene-mono-benzimidazolium salts as NHC ligands for Suzuki–Miyaura cross-couplings catalysts

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Palladium-catalyzed Suzuki–Miyaura cross-couplings are among the most important and studied cross-coupling reactions. 5 The development of air-stable ligands is therefore crucial and N-heterocyclic carbenes (NHCs) have proved to be suitable ligands for Suzuki–Miyaura cross-coupling reactions. 11 − 17 The bridging C2 carbon atoms of resorcinarene cavitands are easily functionalized to prepare ligands bearing phosphines and imidazolium salts for several cross-coupling reactions.

New Pd(II) and Pt(II)-diaminophosphine complexes bearing cyclohexyl or isopropyl moiety: use of Pd(II) complexes as precatalyst in Mizoroki–Heck and Suzuki–Miyaura cross-coupling reactions

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With the best conditions in hand, next we conducted further experiments to investigate the scope of the Suzuki cross-coupling of catalysts 3 and 4 with various substrates, including aryl bromides and chlorides having electron-withdrawing or electron-donating substituents (Table 1, entries 3–12). therefore, we can easily conclude that the electronic nature of the aryl bromides has an obvious influence on the coupling reactions (Table 1, entries 3–10).

Density functional theory-supported studies of structural and electronic properties of substituted-phenol derivatives synthesized by efficient O- or C-arylation via Chan–Lam or Suzuki cross-coupling reactions

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After protection, 4 was made to react with different arylboronic acids by application of the Suzuki cross-coupling reaction to obtain bis-arylated products (5a–5c), as shown in Figure 1. Gaussian Inc., Wallingford, CT, USA) [21] was used for all of the computations.

Design, synthesis, and spasmolytic activity of thiophene-based derivatives via Suzuki cross-coupling reaction of 5-bromothiophene-2-carboxylic acid: Their structural and computational studies

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The thiophene-based derivatives (5a-5e, 10a-10f) were synthesized from the reaction of 3 and 7 by the application of the Suzuki cross-coupling reaction. Our recent findings suggest that thiophene-based derivatives inhibit the contractile responses of the rat duodenum. A detailed insight into FMOs of the compounds and their different reactivity descriptors revealed that compounds 10c and 5c are the most reactive while 10a is the most stable in the series.

Synthesis of new thiol-derivatized aminophosphines and their catalytic activities in C–C coupling reactions

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On the other hand, compounds 4b and 4c were excellent catalysts for Suzuki cross-coupling reactions (Table 2).. In these application reactions, in situ generated catalytic species show different activities for C–C coupling reactions. Among the ligands, 4b and 4c have higher activity compared with 4a in both Suzuki and Heck cross-coupling reactions. Suzuki coupling reactions of aryl bromides with phenylboronic acid [a].

One-pot synthesis of new N -(1-methylpyridin-4(1H)-ylidene)amine ligands for palladium-catalyzed Heck coupling reaction

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Mizoroki–Heck cross-coupling reaction of aryl halides catalyzed by Pd(OAc) 2 /L 1 .

Computational and biological studies of novel thiazolyl coumarin derivatives synthesized through Suzuki coupling

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Suzuki cross-coupling reaction of organoboron compounds and organic halides is one of the most efficient methods for the construction of carbon-carbon bonds [24].

Palladium nanoparticles supported on modified polystyrene resin as a polymeric catalyst for Sonogashira–Hagihara coupling reactions

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In Metal-Catalyzed Cross-Coupling Reactions. Cross-Coupling Reactions

Palladium-EDTA and palladium-EdteH4 catalyzed Heck coupling reactions in pure water

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Miyaura cross-coupling reaction in water. 35 Encouraged by these previous results, we focused our attention on studying the water-soluble and chelating PdCl 2 (EdteH 4. Na 2 PdCl 4 - EdteH 4 and Na 2 PdCl 4 - Na 2 EDTA (Figure) catalyzed Heck coupling reactions of aryl bromides with styrene in water under aerobic conditions.. Structures of the palladium complex and ligands used in this study..

The synthesis, characterization, and catalytic properties of (κ2 − C,N)-palladacycles with N-heterocyclic carbene-based ancillary ligands

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5,9,10 The Suzuki-Miyaura reaction, which is the direct cross-coupling of an aryl halide with boron-containing reagents in the presence of palladium catalyst, is arguably one of the easiest and most widely applied cross-coupling methods.

Synthesis and catalytic activity of ionic palladium N-heterocyclic carbene complexes

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Metal-Catalyzed Cross-Coupling Reactions and More. Recent applications of the Suzuki-Miyaura cross-coupling reaction in organic synthesis. doi: 10.1016/S . In Palladium-Catalyzed Coupling Reactions: Practical Aspects and Future Developments. Addressing challenges in palladium-catalyzed cross-coupling reactions through ligand design. doi: 10.1002/chem.201201195.

Synthesis of novel benzimidazole salts and microwave-assisted catalytic activity of in situ generated Pd nanoparticles from a catalyst system consisting of benzimidazol salt, Pd(OAc) 2 , and base in a Suzuki-Miyaura reaction

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, substituted benzyl, and 3-phenylpropyl moieties, and we aimed to investigate the activity of in situ Pd-carbene based catalytic systems for Suzuki cross-coupling reactions..

Broadband polarization conversion based on small - size metamaterial in the Ghz band

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In contrast, the induced fields in the asymmetrical structure are not symmetric across the external fields, so the cross-coupling can be created between them. At the resonant frequency of 12.9 GHz, the induced electric field on the top layer can be decomposed into two components and , perpendicular to each other. It can be remarked that is parallel to the magnetic vector. of the incident EM wave and that the cross-coupling of and forms a cross-polarization conversion.