Results 301 to 310 of about 408,472 (346)
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Aryl-Halide versus Aryl−Aryl Reductive Elimination in Pt(IV)−Phosphine Complexes
Journal of the American Chemical Society, 2006Upon the addition of Br2 to complexes (P-P)Pt(Ar)2, two different products were observed, depending on the bite angle of the bidentate phosphine ligand: a Pt(II) aryl bromide complex, the product of C-Br reductive elimination, and Pt(IV) oxidative addition complex.
Anette, Yahav-Levi +2 more
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Diaryliodonium Salts Enabled Arylation, Arylocyclization, and Aryl‐Migration
The Chemical Record, 2023AbstractOur research interest focusing on synthetic methodology with diaryliodonium salts, is summarized in this account. Besides employing a dual activation strategy of C−I and ortho C−H bonds, we have introduced vicinal functional groups at ortho‐positions of diaryliodonium salts, in which their unique reactivities have been explored in various ...
Cheng Pan, Limin Wang, Jianwei Han
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Phosphorus and Sulfur and the Related Elements, 1983
Abstract Aryl alkyl sulphides, easily obtained from aryl halides, can be selectively dealkylated in HMPA by treatment with sodium, sodium methanethiolate or sodium methoxide. The resulting solutions, containing the sodium arenethiolates, when treated with BrCN or ICN, afford the corresponding aryl thiocyanates in moderate to good yields.
L. Testaferri +4 more
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Abstract Aryl alkyl sulphides, easily obtained from aryl halides, can be selectively dealkylated in HMPA by treatment with sodium, sodium methanethiolate or sodium methoxide. The resulting solutions, containing the sodium arenethiolates, when treated with BrCN or ICN, afford the corresponding aryl thiocyanates in moderate to good yields.
L. Testaferri +4 more
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Deoxygenative Arylation of Carboxylic Acids by Aryl Migration
Chemistry – A European Journal, 2019AbstractAn unprecedented deoxygenative arylation of aromatic carboxylic acids has been achieved, allowing the construction of an enhanced library of unsymmetrical diaryl ketones. The synergistic photoredox catalysis and phosphoranyl radical chemistry allows for precise cleavage of a stronger C−O bond and formation of a weaker C−C bond by 1,5‐aryl ...
Rehanguli Ruzi +8 more
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Environmentally Friendly Suzuki Aryl-Aryl Cross-Coupling Reaction
Current Organic Chemistry, 2005AbstractFor Abstract see ChemInform Abstract in Full Text.
L. Bai, J.‐X. Wang
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Iron-catalyzed arylation of α-aryl-α-diazoesters
Organic & Biomolecular Chemistry, 2016An iron-catalyzed arylation of α-aryl-α-diazoesters with electron-rich benzene rings was developed, which provides an efficient method for the preparation of 1,1-diarylacetates with high yields and excellent chemo- and regio-selectivities.
Ji-Min, Yang +3 more
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Palladium-Catalyzed N-Arylation of Sulfoximines with Aryl Bromides and Aryl Iodides
The Journal of Organic Chemistry, 1999Various N-arylated sulfoximines have been synthesized in high yield by a direct approach which is based on a palladium-catalyzed cross-coupling strategy. Aryl bromides of variable substitution pattern were found to be the most effective coupling partners, whereas aryl iodides showed a nonpredictable behavior requiring lithium or silver salts as ...
, Bolm, , Hildebrand
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International Journal of Biochemistry, 1982
1. The serotonin (5-HT) sensitive brain aryl acylamidase (AAA) has received considerable attention due to its potential involvement in 5-HT action mechanism in CNS. 2. Multiple forms, AAA-1 and 2, have been separated by ammonium sulfate precipitation of brain extract and subsequent gel filtration. 3.
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1. The serotonin (5-HT) sensitive brain aryl acylamidase (AAA) has received considerable attention due to its potential involvement in 5-HT action mechanism in CNS. 2. Multiple forms, AAA-1 and 2, have been separated by ammonium sulfate precipitation of brain extract and subsequent gel filtration. 3.
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Efficient Copper-Catalyzed N-Arylation of Sulfoximines with Aryl Iodides and Aryl Bromides
The Journal of Organic Chemistry, 2005Two simple and inexpensive systems for copper-catalyzed N-arylations of sulfoximines with aryl bromides and aryl iodides have been developed. Using 10 mol % of a copper(I) salt in combination with 20 mol % of a 1,2-diamine and Cs2CO3 provides N-arylated sulfoximines in high yields. Various functional groups and heteroatoms are tolerated.
Jörg, Sedelmeier, Carsten, Bolm
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Organic Letters, 2007
Direct arylation of aryl(azaaryl)methanes with aryl halides takes place at the benzylic position in the presence of a hydroxide base under palladium catalysis to yield triarylmethanes.
Niwa, Takashi +2 more
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Direct arylation of aryl(azaaryl)methanes with aryl halides takes place at the benzylic position in the presence of a hydroxide base under palladium catalysis to yield triarylmethanes.
Niwa, Takashi +2 more
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