The BF3 catalyzed decomposition of diazo compounds in the presence of carbonyl compounds.

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概要

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• The BF<SUB>3</SUB> catalyzed decomposition of diazo ompounds such as α-diazoacetophenones, ethyl diazoace-tate, and diphenyldiazomethane in the presence of cyclic β-diketones gave the corresponding enol ether. Used as a substrate, cyclohexanone gave the ring expanded homologation product.

• 公益社団法人 日本化学会の論文

著者

• Ibata Toshikazu

  Institute Of Chemistry College Of General Education Osaka University

• Nakata Seiji

  Institute of Chemistry, College of General Education, Osaka University

• Miyauchi Kazuo

  Institute of Chemistry, College of General Education, Osaka University

関連論文

• Nucleophilic Substitution Reaction of Aromatic Chlorides with Cyclic Tertiary Amines under High Pressure
• Formation and Reaction of Azomethine Ylide by the Reaction of Cu(acac)2-ketocarbenoids with 1,1-Diphenylmethanimine
• Formation and Reaction of Acyl Substituted Nitrile Ylide through the Rh_2(OAc)_4-Catalyzed Reaction of α-Diazocarbonyl Compounds with Benzonitrile
• Molecular structure of the exo-Diels-Alder-adduct of 5-methoxy-2-methyl-4-(p-nitrophenyl)oxazole with N-methylmaleimide.
• Synthesis and molecular structure of the 2:1-cycloadduct of 1-methoxy-2-benzopyrylium-4-olate with acenaphthylene.
• The BF3 catalyzed decomposition of diazo compounds in the presence of carbonyl compounds.
• The reaction of diazo ketones in the presence of metal chelates. VIII. The stereochemistry of the 1,3-dipolar cycloaddition of 1-methoxy-2-benzopyrylium-4-olates to ethylenic dipolarophiles.
• Formation and reaction of oxazoles. Synthesis of N-substituted 2-(aminomethyl)oxazoles.
• Aromatic nucleophilic substitution of halobenzenes with amines under high pressure.
• Reaction of diazo ketones in the presence of metal chelates. VII. 1,3-Dipolar cycloaddition of 1-methoxybenzo[c]pyrylium-4-olate with acetylenic dipolarophiles.
• The acid catalyzed decomposition of diazo compounds. I. Synthesis of oxazoles in the BF3 catalyzed reaction of diazo carbonyl compounds with nitriles.
• Formation of 1,3-oxathiole-2-thione and 1,2,4-trithiolane derivatives by the catalytic reaction of .ALPHA.-diazocarbonyl compounds with carbon disulfide.
• Formation and molecular structure of the 2:1-adducts of 1-alkoxy-2-benzopyrylium-4-olates with carbon disulfide.
• The Diels-Alder reactions of 2-alkyl-5-methoxy-4-(p-nitrophenyl)oxazoles with ethylenic, acetylenic, and azo-type dienophiles.
• The Acid-catalyzed Decomposition of α-Diazo β-Hydroxy Ketones
• Formation and reaction of carbonyl ylides. 1,3-Dipolar cycloaddition of 2-benzopyrylium-4-olates with carbonyl compounds.
• The high pressure Diels-Alder reactions of 5-methoxy-2-methyl-4-(p-nitrophenyl)oxazole with ethylenic dienophiles.
• The acid-catalyzed decomposition of diazo carbonyl compounds. II. Synthesis of 2- or 5-heteroatom-substituted oxazoles.

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