Academic literature on the topic 'Carbonyl compounds. Organometallic compounds'

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Journal articles on the topic "Carbonyl compounds. Organometallic compounds"

1

Vizer, S. A., and K. B. Yerzhanov. "Heterocycles Synthesis at Carbonylation of Acetylenic Compounds." Eurasian Chemico-Technological Journal 5, no. 2 (2016): 145. http://dx.doi.org/10.18321/ectj294.

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The carbonylation of unsaturated hydrocarbons, alcohols, organic halides and other substrates catalyzed by transition metals, salts of transition metals and organometallic complexes is a wide used synthesis method of new carbonyl, carboxyl and alkoxy carbonyl containing compounds including creation or modificationt of heterocycles. The data about synthesis of heterocycles at carbonylation of acetylenic compounds have been appeared at last 20 years and are demonstrated in our review. Introduction of carbon monoxide in the catalytic reactions of acetylenic compounds permits to obtain in oneput p
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2

Mendes-Burak, Jorge, Behnaz Ghaffari та Christophe Copéret. "Selective hydrogenation of α,β-unsaturated carbonyl compounds on silica-supported copper nanoparticles". Chemical Communications 55, № 2 (2019): 179–81. http://dx.doi.org/10.1039/c8cc08457b.

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Silica-supported copper nanoparticles prepared via surface organometallic chemistry are highly efficient for the selective hydrogenation of various α,β-unsaturated carbonyl compounds yielding the corresponding saturated esters, ketones, and aldehydes in the absence of additives.
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3

Pignon, Antoine, Erwan Le Gall, and Thierry Martens. "A new manganese-mediated, cobalt-catalyzed three-component synthesis of (diarylmethyl)sulfonamides." Beilstein Journal of Organic Chemistry 10 (February 17, 2014): 425–31. http://dx.doi.org/10.3762/bjoc.10.39.

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The synthesis of (diarylmethyl)sulfonamides and related compounds by a new manganese-mediated, cobalt-catalyzed three-component reaction between sulfonamides, carbonyl compounds and organic bromides is described. This organometallic Mannich-like process allows the formation of the coupling products within minutes at room temperature. A possible mechanism, emphasizing the crucial role of manganese is proposed.
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4

Pedro, Filipe M., Ana M. Santos, Walter Baratta, and Fritz E. Kühn. "Organometallic Ruthenium Complexes: Application in the Olefination of Carbonyl Compounds." Organometallics 26, no. 2 (2007): 302–9. http://dx.doi.org/10.1021/om060508w.

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5

Collins, Scott, Yaping Hong, Gordon J. Hoover, and Jennifer R. Veit. "Additions of alkyllathanum triflates to carbonyl compounds: reactive organometallic nucleophiles." Journal of Organic Chemistry 55, no. 11 (1990): 3565–68. http://dx.doi.org/10.1021/jo00298a035.

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6

Jackson, WR, ID Rae, and MG Wong. "The Stereochemistry of Organometallic Compounds .XXVII. Nucleophilic and Electrophilic Substitution-Reactions of Conformationally Restricted Arenechromium Compounds." Australian Journal of Chemistry 39, no. 2 (1986): 303. http://dx.doi.org/10.1071/ch9860303.

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The regioselectivity of reaction of tricarbonyl (1,1- dimethylindane )chromium with selected electrophiles and nucleophiles has been shown to be influenced by the preferred conformation of the tricarbonylchromium group. Nucleophiles preferentially react at carbon atoms eclipsed by a chromium-carbonyl bond and electrophiles at carbon atoms in staggered positions. When similar reactions were attempted with some chelated arenechromium dicarbonyl phosphorus compounds only low yields of substitution products were obtained.
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7

Decostanzi, Mélanie, Jean-Marc Campagne, and Eric Leclerc. "Low-Temperature Intermolecular Addition of RCF2Li Compounds to Various Carbonyl Electrophiles for a Practical Synthesis of CF2-Containing Building Blocks." Synthesis 48, no. 19 (2016): 3420–28. http://dx.doi.org/10.1055/s-0035-1562786.

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The addition of various RCF2Li compounds to a wide range of carbonyl electrophiles (aldehydes, ketones, acylsilanes, esters, and lactones) is reported. The reaction proceeds at very low temperature under Barbier conditions through a Br/Li exchange from the corresponding RCF2Br compounds. In contrast with existing methods that use more stable, but less reactive, organometallic species, there is efficient addition to esters, lactones and poorly reactive ketones.
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8

Blay, Gonzalo, José Pedro, and Amparo Sanz-Marco. "Conjugate Alkynylation of Electrophilic Double Bonds. From Regioselectivity to Enantioselectivity." Synthesis 50, no. 17 (2018): 3281–306. http://dx.doi.org/10.1055/s-0037-1610182.

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This review surveys the historical efforts addressed toward the development of the conjugate alkynylation reaction. The regio- and enantioselective conjugate alkynylation of electron-deficient double bonds, most commonly unsaturated carbonyl compounds, has been an elusive reaction for a long time. Intensive research during the last decades has resulted in the identification of a number of effective reagents and catalysts to perform this reaction. Non-stereoselective conjugate alkynylation of unsaturated carbonyl compounds was first achieved by using preformed alkynyl organometallics and later
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9

Kauffmann, Thomas, Jan Jordan, and Karl-Uwe Voss. "Methylating Reductive Dimerization of Aromatic Carbonyl Compounds, a Novel Organometallic Reaction." Angewandte Chemie International Edition in English 30, no. 9 (1991): 1138–39. http://dx.doi.org/10.1002/anie.199111381.

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10

Lombardo, Marco, Sebastiano Licciulli, and C. Trombini. "3-Halopropenyl esters as precursors of a new class of oxygen-substituted allylic organometallic compounds: Applications in organic synthesis." Pure and Applied Chemistry 76, no. 3 (2004): 657–69. http://dx.doi.org/10.1351/pac200476030657.

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3-halopropenyl esters, readily prepared by the addition of acyl halides to acrolein, react with zinc, indium, and chromium(II), thus opening a route to a new class of oxygen-substituted allylic organometallic compounds. Indium and zinc reagents smoothly add to carbonyl compounds, affording alk-1-en-3,4-diol derivatives in a variety of synthetic procedures which include typical Grignard stepwise conditions as well as Barbier one-pot protocols. Using zinc and indium in water or aprotic solvents, simple diastereoselectivity was found to depend on the nature of the carbonyl compound; conjugated al
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