Synthesis of 5-Styryltropolones

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概要

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• 5-Styryl-, 5-(<I>p</I>-bromostyryl)-, 5-(<I>p</I>-chlorostyryl)-, 5-(<I>p</I>-methoxystyryl)-, 5-(<I>p</I>-methylstyryl)-, 5-(<I>m</I>-chlorostyryl)- and 5-(<I>m</I>-methylstyryl)tropolone were synthesized by the Wittig reaction of 5-formyltropolone. Their UV and NMR spectra were determined.

• 公益社団法人 日本化学会の論文

著者

• Kurosawa Kazu

  Department Of Chemistry Faculty Of Science Kumamoto University

• Matsumura Hisashi

  Department of Chemistry, Faculty of Science, Kumamoto University

• Higashi Hidehiro

  Department of Chemistry, Faculty of Science, Kumamoto University

関連論文

• Manganese(III)-Mediated Oxidative Radial Cyclization 2.^ Reaction of 1,1,ω,ω-Tetraarylsubstituted Terminal Alkadienes with Malonamide or Acetoacetamide
• Mn(III)-Based Synthesis of 1,2-Dioxolanes, Reaction Mechanism, and Related Reaction
• The Reactions of 2-Hydroxybenzophenones with Lead Tetraacetate and Manganic Acetate
• Reactions of alkenes with iodine(III) tris(trifluoroacetate).
• Reactions of 3-acetyltropolone and its methyl ethers with methylhydrazine.
• Substituent effect on the dissociation constants of 5-(substituted styryl)-2-aminotropones.
• Rearrangements in the Palladium-Catalyzed Dehydrogenation of Cyclohexylphenols to Phenylphenols
• Substituent effects on 6-substituted 3-hydroxy-1-methyl-4-pyridones.
• Reactions of methoxynaphthalenes with active methylene compounds in the presence of manganese(III) acetate.
• Reaction of olefins with .ALPHA.-cyanoacetamide in the presence of manganese (III) acetate.
• The .ALPHA.-chlorination of aryl ketones with manganese(III) acetate in the presence of chloride ion.
• The oxidation of biphenylene and its derivatives with Mn(OAc)3 and Pb(OAc)4.
• Reactions of 1,1-Disubstituted Alkenes with Acetoacetamides and Molecular Oxygen in the Presence of Manganese(III) Acetate.
• Formation of 1,2-Dioxanes by the Use of Tris(2,4-pentanedionato)-manganese(III) or Manganese(III) Acetate.
• Reaction of .ALPHA.,.BETA.-unsaturated carboxylic acids with manganese(III) acetate in the presence of chloride ion.
• A new synthesis of 9-xanthenones by the reaction of 2-hydroxybenzophenones with metal salts.
• The reduction of 2-benzylidene-3(2H)-benzofuranones with lithium aluminium hydride-aluminium chloride.
• The formation of a propellane by the oxidation of biphenylene with manganese(III) acetate.
• Manganese(III)-Mediated formylation of aromatic compounds in the presence of malonic acid.
• The reaction of acetophenones with manganese(III) acetate.
• The oxidation of (E)-.ALPHA.-phenylcinnamic acids with manganese(III) acetate.
• Reactions of 3-acetyltropolone and its methyl ethers with hydrazine.
• Dehydrogenation of 2-(1-Cyclohexenyl)cyclohexanone with Palladium Catalyst
• Substituent effects on tautomerism of 4-pyridinethiones.
• Tautomerism of 4-pyridones.
• Reactions of .ALPHA.,.BETA.-unsaturated carboxylates, malonates and phenylacetates with manganese(III) acetate in the presence of chloride ions.
• Reactions of 4H-pyran-4-thiones with ammonia, hydrazine, and guanidine.
• Structure of 5-hydroxy-2-hydroxymethyl-4-pyridones.
• Synthesis of 5-(substituted styryl)-2-aminotropones.
• The Reactions of 2-Hydroxystilbenes with Lead Tetraacetate and Manganic Acetate
• Substituent effects on the dissociation constants of 1-aryl-5-hydroxy-2-hydroxymethyl-4-pyridones.
• The reactions of 1,3-indandiones and 1,3(2H)-phenalenediones with lead tetraacetate.
• Synthesis of 5-Styryltropolones
• Reaction of secondary aromatic amines with manganese(III) acetate.
• Reactions of aryl ketones and coumarins with iodine(III) tris(trifluoroacetate).

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